Scdl Networking Concepts

¹uLIST OF ATTEMPTED QUESTIONS AND ANSWERS True/False Question Modulation is the process of sending a file from one computer to another computer. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question Error correction and detection in OSI model is done by :- Correct Answer Data link Layer , Transport Layer Your Answer Data link Layer Multiple Choice Multiple Answer Question The functions of ATM layers are :- Correct Answer Routing , Switching , Multiplexing Your Answer Routing , Switching , Multiplexing Multiple Choice Single Answer Question The virtual circuit approach of packet switching is used in :- Correct Answer Data Link layer Your Answer Data Link layer Select The Blank Question ATM standard defines ________ layer. Correct Answer Three Your Answer Three Multiple Choice Single Answer Question Repeater operates in :- Correct Answer Physical layer Your Answer Data Link layer Multiple Choice Single Answer Question A hub is actually :- Correct Answer A multiport repeater Your Answer A multiport repeater True/False Question A central computer surrounded by one or more satellite computers is called a bus network. Correct Answer False Your Answer False Multiple Choice Single Answer Question Which of the following connects LAN to a WAN? Correct Answer A network gateway Your Answer A network gateway

True/False Question Devices on one network can communicate with device on another network via a gateway. Correct Answer True Your Answer True Select The Blank Question Error control is based on ________. Correct Answer ARQ Your Answer ARQ Multiple Choice Multiple Answer Question Transition states of PPP are :- Correct Answer Idle state , Establishment state , Authenticating state Your Answer Idle state , Establishment state , Authenticating state Select The Blank Question Transport layer is responsible for delivery of ________ from one node to other. Correct Answer Message Your Answer Packets Multiple Choice Single Answer Question Packets in the IP layer are called :- Correct Answer Datagrams Your Answer Datagrams Multiple Choice Single Answer Question The primary function of a bridge is to :- Correct Answer Interconnect two LANs Your Answer Connect PCs to a LAN Match The FollowingQuestion Correct Answer Your Answer

Full – duplex Simultaneous transmission in both directions Simultaneous transmission in both directions

Modem Modulator Demodulator Modulator Demodulator

Bit Binary digit Binary digit

Synchronous communication efficiencyHighBand width of the medium

True/False Question The application layer of a network consists of software being run on the computer connected to the network. Correct Answer True Your Answer True Match The Following

Question Correct Answer Your Answer

Multiplexing FDM FDM

Bounded Media Fiber optic cable Fiber optic cable

Wireless Transmission MicrowaveMicrowave

Highest Attention UTP cable UTP cable

Multiple Choice Single Answer Question Which of the following connects LAN to another of the same type? Correct Answer A network bridge Your Answer A network backbone Multiple Choice Multiple Answer Question A remote bridge :- Correct Answer Useful for several offices with LANs , Acts as point-to-point link , Uses PPP protocol Your Answer Useful for several offices with LANs , Acts as point-to-point link , Faster than any other network True/False Question The communication mode that supports two-way traffic but only one direction at a time is known as half duplex. Correct Answer True Your Answer True Multiple Choice Single Answer Question The size of the datagram is :- Correct Answer 8 bytes Your Answer 8 bytes Multiple Choice Single Answer Question The layer lies between the network layer and the session layer is :- Correct Answer Transport layer Your Answer Transport layer Select The Blank Question The digital, voice, or video voltages are referred to as ________ signals. Correct Answer Base band Your Answer Band limited Multiple Choice Multiple Answer Question OSPF features are :- Correct Answer Multiple circuit load balancing , Converge very quickly to network topology change , Not susceptible to routing loops Your Answer Converge very quickly to network topology change , Not susceptible to routing loops Multiple Choice Single Answer

Question Contention is :- Correct Answer The condition when two or more stations attempt to use the same channel at the same time Your Answer The condition when two or more stations attempt to use the same channel at the same time Select The Blank Question A communication protocol always have ________. Correct Answer Set of symbols Your Answer Network information Multiple Choice Multiple Answer Question A transport layer :- Correct Answer Receives Service from Network layer , Gives service to Application layer Your Answer Receives Service from Network layer , Gives service to Network layer Multiple Choice Multiple Answer Question X . 25 protocol :- Correct Answer Allows DTE to DCE interface , Is a synchronous interface , Is approved by CCITT Your Answer Allows DTE to DCE interface , Is a synchronous interface , Is approved by CCITT True/False Question The 5-7 digits are known as the country code of the Network User Address (NUA) Correct Answer False Your Answer False Multiple Choice Single Answer Question As the data packet moves from the lower to the upper layers, headers are :- Correct Answer Added Your Answer Subtracted Multiple Choice Multiple Answer Question X.25 uses :- Correct Answer Packet assembler/disassembler , Packet switched network , Access lines to public data networks Your Answer Packet assembler/disassembler , Packet switched network , Access lines to public data networks True/False Question For connecting several LANs, backbone networks are used. Correct Answer True Your Answer True Multiple Choice Single Answer Question Data rates above the 20,000 bps limitation of the RS-232 standard become possible by :- Correct Answer Shortening the cable Your Answer Shortening the cable

Select The Blank Question The medium that permits the highest data rate is ________. Correct Answer Fiber optic cable Your Answer Fiber optic cable Select The Blank Question The ________ Timer is used in termination phase. Correct Answer Time waited Your Answer Time waited Multiple Choice Single Answer Question Internet protocol is a :- Correct Answer Host-to-host delivery network layer protocol Your Answer Host-to-host delivery network layer protocol Select The Blank Question Network layer is responsible for delivery of ________ from one source to other. Correct Answer Packets Your Answer Packets True/False Question Gateway is used for modulation and demodulation. Correct Answer False Your Answer False Multiple Choice Single Answer Question ARQ stands for :- Correct Answer Automatic repeat request Your Answer Automatic retransmission request Multiple Choice Multiple Answer Question Query message that ICMP supports :- Correct Answer Echo request and reply , Time-stamp request and reply , Router solicitation and advertisement Your Answer Echo request and reply , Time-stamp request and reply Multiple Choice Single Answer Question Which organisation has developed much of the original standards? Correct Answer IEEE Your Answer IEEE Select The Blank Question The ________ timer keep a track of the time between the sending of segment and the receipt of an acknowledgement. Correct Answer Retransmission Your Answer Retransmission Multiple Choice Multiple Answer Question The important features of a reapeter are :-

Correct Answer Can use 10Base5 , Acts as two port node , Operates only in physical layer Your Answer Can use 10Base5 , Acts as two port node , Operates only in physical layer True/False Question A medium access control technique for multiple access transmission media is amplitude. Correct Answer False Your Answer False

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The Blank Question The X.25 standard covers ________ OSI layers. Correct Answer 3 Your Answer 3 Multiple Choice Single Answer Question The available BW is divided into bands is :- Correct Answer FDMA Your Answer FDMA Multiple Choice Multiple Answer Question Digital transmission is possible in :- Correct Answer Serial mode , Parallel mode Your Answer Serial mode , Parallel mode True/False Question Network File System (NFS) allow computers to share files across a network or networks. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Serial transmission can be :- Correct Answer Synchronous , Asynchronous Your Answer Synchronous , Asynchronous , Sequential Multiple Choice Multiple Answer Question Transmission media is characterized by :- Correct Answer Throughput , Propagation speed , Propagation time Your Answer Throughput , Propagation speed , Propagation time Match The FollowingQuestion Correct Answer Your Answer

Time waited timer Termination phaseEstablishment Phase

Keep Alive Timer Prevents long idle connectionHandles zero window size

Persistence timer Handles zero window sizeAcknowledgement of frames

Retransmission timer Lost segmentsLost segments

Multiple Choice Single Answer Question The datagram approach of packet switching is used in :- Correct Answer Network layer Your Answer Network layer Multiple Choice Multiple Answer Question Transreceiver performs the function of :- Correct Answer Transmitting and detection , Collision , Encoding and decoding Your Answer Transmitting and detection , Synchronization , Encoding and decoding Select The Blank Question A data packet is a packet header together with ________. Correct Answer User data Your Answer Node address Select The Blank Question The ________ timer is needed to control a lost or discarded segment by TCP. Correct Answer Retransmission Your Answer Retransmission Multiple Choice Multiple Answer Question Data transmission modes are :- Correct Answer Simplex , Half duplex , Full duplex Your Answer Simplex , Half duplex , Full duplex Multiple Choice Single Answer Question Which of the following summation operation is performed on the bits to check an error-detecting code? Correct Answer Checksum Your Answer Checksum Multiple Choice Multiple Answer Question Media does transmit data in current wave form :- Correct Answer Coaxial cable , Twisted pair cable , Unshielded twisted pair cable Your Answer Optical fiber cable Multiple Choice Multiple Answer Question A star backbone network :- Correct Answer Topology of backbone is star , The backbone is just one switch , Connects several LANs

Your Answer Topology of backbone is star , Faster than any other backbone network True/False Question TCP uses negative acknowledgement in communication. Correct Answer False Your Answer True Multiple Choice Single Answer Question Which of the following condition is used to transmit two packets over a medium at the same time? Correct Answer Collision Your Answer Contention Multiple Choice Single Answer Question The main standards relating to Ethernet networks are :- Correct Answer IEEE 802.2 and IEEE 802.3 Your Answer IEEE 802.2 and IEEE 802.3 Multiple Choice Single Answer Question Which layer in the Ethernet standard communicates with the OSI network layer? Correct Answer LLC Your Answer LLC Multiple Choice Multiple Answer Question Terms used to describe digital signal are :- Correct Answer Bit rate , Bit interval Your Answer Bit rate , Bit interval , Frequency True/False Question The session layer takes the communication service of the transport layer and adds application -oriented functions. Correct Answer True Your Answer True True/False Question Application programs as well as all protocol software from the internet layer upward use only IP address. Correct Answer True Your Answer True Multiple Choice Single Answer Question Regulation of the rate of transmission of data frames is known as :- Correct Answer Flow control Your Answer Flow control Multiple Choice Single Answer Question The cheapest modems can transmit :- Correct Answer 300 bits per second Your Answer 4,800 bits per second

Multiple Choice Multiple Answer Question LCP packets include :- Correct Answer Configuration packets , Link termination packets , Link monitoring and debugging packets Your Answer Configuration packets , Link monitoring and debugging packets , Authenticate packets Match The FollowingQuestion Correct Answer Your Answer

ATM Real time transmission Real time transmission

X.25 data rate 64 Kbps WAN

T-1 carrier data rate1.54 Mbps 1.54 Mbps

Frame Relay data rate 1.544Mbps64 Kbps

True/False Question Border Gateway Protocol (BGP) is an interautonomous routing protocol. Correct Answer True Your Answer True True/False Question A local area network connects distance computers. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question Signal quality may degrade due to :- Correct Answer Attenuation , Distortion , Noise Your Answer Attenuation , Distortion , Noise Multiple Choice Single Answer Question In unicast routing, the router forwards the packet :- Correct Answer To only one router Your Answer To only one router True/False Question PHY sub layer is responsible for encoding and decoding. Correct Answer True Your Answer False Select The Blank Question For delivery the user datagram to the correct application program, UDP needs________. Correct Answer Port address Your Answer Internet address Multiple Choice Multiple Answer

Question A data terminal serves as :- Correct Answer Effecter , Sensor Your Answer Transmitter Multiple Choice Multiple Answer Question In ATM, connection between two end points is accomplished through :- Correct Answer Transmission paths (TPs) , Virtual Paths (VPs) , Virtual circuits (VCs) Your Answer Virtual Paths (VPs) , Virtual circuits (VCs) , Logical path Multiple Choice Single Answer Question The main functional difference between circuit switched digital networks (CSDN) and packet-switched digital network(PSDN)is Correct Answer That a CSDN establishes a permanent connection between two nodes where PSDN uses a virtual circuit Your Answer That a CSDN establishes a permanent connection between two nodes where PSDN uses a virtual circuit Multiple Choice Multiple Answer Question A repeater :- Correct Answer Connects segments of a LAN , Forwards every frame , Is a regenerator Your Answer Forwards every frame , Is a regenerator , Amplifies the signal Select The Blank Question In ATM, ________ is designed to support a data stream that has a constant bit rate. Correct Answer AAL1 Your Answer AAL3/4 Multiple Choice Multiple Answer Question The important functions associated with ICMP are :- Correct Answer Error reporting , Reachability testing , Congestion control Your Answer Reachability testing Select The Blank Question In a ________ link, the only traffic is between the two connected devices. Correct Answer Dedicated Your Answer Dedicated Select The Blank Question In simplex transmission________. Correct Answer Data transmission is one way Your Answer Data transmission is one way True/False Question A repeater connects two LANs of different protocols. Correct Answer False Your Answer False Multiple Choice Multiple Answer

Question Frame Relay operates in :- Correct Answer Physical Layer , Data link Layer Your Answer Data link Layer , Network Layer Select The Blank Question In fast Ethernet ________ replaces physical layer signaling. Correct Answer Reconciliation Sub Layer Your Answer MDI True/False Question In OSI network architecture the dialogue control and token management are responsibilities of session layer. Correct Answer True Your Answer False Multiple Choice Multiple Answer Question Modulation is used for :- Correct Answer Reduce the band width , Reduce the antenna size , Transmit multiple signals Your Answer Transmit multiple signals , Ensure good transmission quality Multiple Choice Single Answer Question In a switching method, each packet of a message need not follow the same path from transmitter to receiver, this method is :- Correct Answer Virtual circuit packet switching Your Answer Datagram packet switching True/False Question T1 and T3 carrier lines are suitable for bursty data traffic. Correct Answer False Your Answer True

LIST OF ATTEMPTED QUESTIONS AND ANSWERS True/False Question Multicast is only suitable for data, text or voice transmission. Correct Answer False Your Answer True True/False Question The Transreceiver in fast Ethernet is called PHY Sub-layer. Correct Answer True Your Answer True Multiple Choice Single Answer Question Peer to peer communication involves:- Correct Answer Computers to share information over a network Your Answer Computers to share information over a network

True/False Question Autonegotiation is a feature of fast Ethernet. Correct Answer True Your Answer True Select The Blank Question In fast Ethernet ________ is not required. Correct Answer CSMA /CD Your Answer Line coding True/False Question Frame Relay does not provide flow control or error control, they must be provided by upper layer protocols. Correct Answer True Your Answer False Multiple Choice Multiple Answer Question CHAP packets include :- Correct Answer Challenge , Response , Success and failure Your Answer Challenge , Response , Success and failure Select The Blank Question Optical source used in 1000 Base SX is________. Correct Answer Shortwave Laser Your Answer Shortwave Laser Multiple Choice Multiple Answer Question Three sets of protocols are defined for making PPP a powerful protocol :- Correct Answer Link control protocol (LCP) , Authentication protocol , Network control protocol (NCP) Your Answer Link control protocol (LCP) , Authentication protocol , Network control protocol (NCP) True/False Question Local area networks can transmit data using twisted -pair wiring or coaxial cables. Correct Answer True Your Answer False Multiple Choice Single Answer Question Which of the following is not a part of UDP user datagram? Correct Answer Preamble Your Answer Checksum Multiple Choice Single Answer Question Twisted -pair Ethernet is also known as :- Correct Answer 10BASET Your Answer 10BASET

Multiple Choice Single Answer Question The physical path over which a message travels is :- Correct Answer Media Your Answer Media Multiple Choice Single Answer Question The information to be communicated in a communication system is :- Correct Answer Message Your Answer Message Select The Blank Question In a ________ connection, more than two devices can share a single link. Correct Answer Multipoint Your Answer Multipoint Multiple Choice Multiple Answer Question The versions of AAL layers are :- Correct Answer AAL1 and AAL2 , AAL3/4 and AAL5 Your Answer AAL1 and AAL2 , AAL3 Select The Blank Question ATM defines ________ versions of application adaptation Layer(AAL). Correct Answer Four Your Answer Three Multiple Choice Single Answer Question CCITT.V series standards relate primarily to which area of data communication ? Correct Answer Asynchronous communication Your Answer ISDN True/False Question Frame Relay is a virtual circuit network. Correct Answer True Your Answer True Multiple Choice Single Answer Question Layer one of the OSI model is :- Correct Answer Physical layer Your Answer Physical layer Multiple Choice Multiple Answer Question Virtual circuit frame used in Frame Relay :- Correct Answer Switched virtual circuit (SVC) , Permanent Virtual Circuit (PVC) , Multicast Virtual Circuit (MVC) Your Answer Switched virtual circuit (SVC) Match The FollowingQuestion Correct Answer Your Answer

Digital Transmission Data transmission from hard disk to memory Data transmission from hard disk to memory

Simplex Common in one direction onlyCommon in one direction only

Duplex Common in both direction onlyCommon in both direction only

Analog Transmission Door-Darshan transmission Common in both direction only

Multiple Choice Single Answer Question Sending a file from your personal computer's primary memory or disk to another computer is called :- Correct Answer Uploading Your Answer Uploading Select The Blank Question The IP datagram header is ________ in length. Correct Answer 20-60 bytes Your Answer 4-8 bytes Select The Blank Question The ________ field is used to order packets of a message. Correct Answer Sequence number Your Answer Sequence number Multiple Choice Single Answer Question Tree topology is a variation of a :- Correct Answer Star Your Answer Bus Select The Blank Question ICMP always reports ________ to the original source. Correct Answer Error message Your Answer Routing message Match The FollowingQuestion Correct Answer Your Answer

Communication system Hardware, software, and data transferal links Hardware, software, and data transferal links

Digital 0 and 1 0 and 1

FDM Band width of the medium Band width of the medium

Start and stop bits Asynchronous transmissionBinary digit

Multiple Choice Single Answer

Question A characteristic of a multiprogramming system is :- Correct Answer Concurrent processing of two or more programs Your Answer Simultaneous execution of program instructions from two applications True/False Question Frequency-division multiplexer divides the high speed signal into frequency bands. Correct Answer True Your Answer True True/False Question Transmission of an IP datagram between two machines on a physical network does not involve gateways. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Congestion prevention policies for network layer are :- Correct Answer Routing algorithm , Packet queneing and service policy , Packet lifetime management policy Your Answer Routing algorithm , Packet queneing and service policy , Packet lifetime management policy True/False Question The data link layer, in reference to the OSI model, specifies the virtual circuit interface to packet-switched service. Correct Answer False Your Answer False Multiple Choice Single Answer Question Subnet masking is :- Correct Answer A process that extracts the sub network address from IP address Your Answer A process that extracts the network address from IP address Multiple Choice Multiple Answer Question In fast Ethernet functions of autonegotiation are :- Correct Answer To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability Your Answer To allow incompatible devices to one other , To allow one device to have multiple capability Multiple Choice Multiple Answer Question The adaptive routing types are :- Correct Answer Isolated adaptive routing , Centralized adaptive routing , Distributed adaptive routing Your Answer Isolated adaptive routing , Centralized adaptive routing , Distributed adaptive routing

Multiple Choice Single Answer Question In OSI network architecture, the routing is performed by :- Correct Answer Network layer Your Answer Transport layer Select The Blank Question The OSI models consists of ________ layers. Correct Answer Seven Your Answer Seven Multiple Choice Multiple Answer Question Features that encourages the wide spread use of ATM in telecommunication are :- Correct Answer High speed data rate , Low error rate , Low operating cost Your Answer High speed data rate , Low operating cost , Less bandwidth Multiple Choice Multiple Answer Question Categories of traditional Ethernet are :- Correct Answer 10Base 5 , 10Base 2 , 10Base T Your Answer 10Base 2 , 10Base T , 10Base X Select The Blank Question The equipment used to connect all Ethernet nodes to the bus is called a ________. Correct Answer Hub Your Answer Hub True/False Question Bridging separates LAN collision domain. Correct Answer True Your Answer True Select The Blank Question The end-to-end delivery of the entire message is the responsibility of the ________ layer. Correct Answer Network Your Answer Network Multiple Choice Single Answer Question For handling frame arriving protocol Frame Relay uses :- Correct Answer FRAD Your Answer DLCI True/False Question Fast Ethernet is backward compatible. Correct Answer True Your Answer True Multiple Choice Single Answer

Question Flow control is needed to prevent :- Correct Answer Overflow of the receiver buffer Your Answer Overflow of the receiver buffer Multiple Choice Single Answer Question Fiber Optic Ethernet is also known as:- Correct Answer 10BASEF Your Answer 10BASEF

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Match The FollowingQuestion Correct Answer Your Answer

Fast Ethernet Autonegotiation No need of CSMA/CD

Bridged Ethernet Raising BW and separate collision N-port switch and divided collision by N

Switched Ethernet N-port switch and divided collision by N 10 Mbps

Full-duplex Ethernet No need of CSMA/CD 1000 Mbps

Multiple Choice Single Answer Question The network identification in an IP address is called as :- Correct Answer Netid Your Answer Netid Select The Blank Question Gigabit Ethernet operates on ________ data rate. Correct Answer 1000 Mbps Your Answer 1000 Mbps Select The Blank Question In ATM, ________ is designed to support a data stream that has a constant bit rate. Correct Answer AAL1 Your Answer AAL3/4 Multiple Choice Single Answer Question ARQ stands for :- Correct Answer Automatic repeat request Your Answer Automatic retransmission request Multiple Choice Single Answer Question Topology requires a central controller or hub. Correct Answer Star Your Answer Star

Multiple Choice Single Answer Question TCP offers :- Correct Answer Full duplex service Your Answer Full duplex service Multiple Choice Single Answer Question Which of the following connects LAN to another of the same type? Correct Answer A network bridge Your Answer A network gateway True/False Question IPv6 is also known as IPng. Correct Answer True Your Answer True Multiple Choice Single Answer Question Layer one of the OSI model is :- Correct Answer Physical layer Your Answer Physical layer True/False Question Data rate of traditional Ethernet is 100Mbps. Correct Answer False Your Answer False True/False Question Autonegotiation is a feature of fast Ethernet. Correct Answer True Your Answer True True/False Question The 5-7 digits are known as the country code of the Network User Address (NUA) Correct Answer False Your Answer True True/False Question GMII is a physical component. Correct Answer False Your Answer False Multiple Choice Single Answer Question Which layer in the Ethernet standard communicates with the OSI network layer? Correct Answer LLC Your Answer Protocol Select The Blank Question In HDLC ________ are used for flow and error control where piggy backing is impossible. Correct Answer S - frame Your Answer Frame check sequence Select The Blank

Question The Frame Relay committed Information Rate represents________. Correct Answer The minimum data rate on the network Your Answer The maximum data rate on the network Multiple Choice Multiple Answer Question Transmission media is characterized by :- Correct Answer Throughput , Propagation speed , Propagation time Your Answer Propagation speed , Propagation time , Received signal Multiple Choice Single Answer Question In a access method a station that has token is :- Correct Answer Token passing Your Answer Token passing True/False Question Application programs as well as all protocol software from the internet layer upward use only IP address. Correct Answer True Your Answer True True/False Question Modulation is the process of sending a file from one computer to another computer. Correct Answer False Your Answer False Multiple Choice Single Answer Question In which method a station reserves a slot for data by setting its flag in a frame? Correct Answer Reservation Your Answer Polling Access Multiple Choice Single Answer Question The main advantage of ISO model is that :- Correct Answer It allows integration of software and hardware Your Answer It fits in well in network Multiple Choice Multiple Answer Question AAL sub layers are :-t Correct Answer Convergence sub layer (CS) , Segmentation and reassembly (SAR) Your Answer Data link layer (DLC) , Media access control (MAC) Multiple Choice Multiple Answer Question IPCP defines three categories of seven packets :- Correct Answer Configure , Terminate , Code Your Answer Configure , Terminate , Code

Select The Blank Question The fast Ethernet has ________ data rate. Correct Answer 100 Mbps Your Answer 100 Mbps Select The Blank Question Data link layer is responsible for transmitting ________ from one node to other. Correct Answer Frames Your Answer Frames Select The Blank Question Network layer is responsible for delivery of ________ from one source to other. Correct Answer Packets Your Answer Packets Match The FollowingQuestion Correct Answer Your Answer

Multiplexing FDM Modem

Bounded Media Fiber optic cable FDM



Multiple Choice Multiple Answer Question Operational features of Ethernet are:- Correct Answer 10 mbps rate , CSMA/CD protocol , 500 meters length Your Answer 10 mbps rate , CSMA/CD protocol , Star topology Multiple Choice Single Answer Question The main functional difference between circuit switched digital networks (CSDN) and packet-switched digital network(PSDN)is Correct Answer That a CSDN establishes a permanent connection between two nodes where PSDN uses a virtual circuit Your Answer That a CSDN establishes a permanent connection between two nodes where PSDN uses a virtual circuit Multiple Choice Single Answer Question Frame Relay operates at :- Correct Answer Physical and data link layer Your Answer Data Link layer Multiple Choice Multiple Answer Question HDLC supports :- Correct Answer Half duplex communication , Full duplex communication , ARQ mechanisms Your Answer Half duplex communication , ARQ mechanisms , Pipelining Select The Blank

Question The ________ layer is responsible for host-to-host delivery. Correct Answer Network Your Answer Data link True/False Question Frame Relay is a virtual circuit network. Correct Answer True Your Answer False True/False Question For connecting several LANs, backbone networks are used. Correct Answer True Your Answer True True/False Question The session layer takes the communication service of the transport layer and adds application -oriented functions. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question The physical path in ATM is :- Correct Answer Physical connection between two switches , Connection between an end point and a switch , Used for data transfer Your Answer Physical connection between two switches , Used to connect switches , Used for data transfer Select The Blank Question In Base T4 Ethernet ________ line coding is used. Correct Answer 8B /6T Your Answer 8B /10B Multiple Choice Multiple Answer Question Channelization protocols are :- Correct Answer TDMA , CDMA , FDMA Your Answer CDMA , CSMA/CD protocol Select The Blank Question Error control is________. Correct Answer Error detection and correction Your Answer Error detection and correction Multiple Choice Multiple Answer Question The Types of error that Internet Control Message Protocol (ICMP) can handle are :- Correct Answer Destination unreachable , Source quench , Redirection Your Answer Destination unreachable , Redirection Multiple Choice Multiple Answer Question The functions of ATM layers are :- Correct Answer Routing , Switching , Multiplexing

Your Answer Routing , Switching , Bridging Multiple Choice Single Answer Question Base band is :- Correct Answer Transmission of signals without modulation Your Answer Transmission of signals without modulation Multiple Choice Single Answer Question The basic Ethernet design does not provide :- Correct Answer Automatic retransmission of a message Your Answer Multiple virtual networks Multiple Choice Multiple Answer Question In digital data transmission :- Correct Answer Baud rate is equal to bit rate , Baud rate is always smaller than the bit rate Your Answer Baud rate is equal to bit rate Select The Blank Question In X.25 network layer protocol, the data contains________. Correct Answer One octet of header plus data Your Answer Two octet of header plus data

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Multiple Answer Question A data terminal serves as :- Correct Answer Effecter , Sensor Your Answer Transmitter , Modulator Multiple Choice Single Answer Question Topology requires a multipoint connection called :- Correct Answer Mesh Your Answer Star True/False Question The 5-7 digits are known as the country code of the Network User Address (NUA) Correct Answer False Your Answer False Multiple Choice Single Answer Question An error detecting code which is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as :- Correct Answer Cyclic Redundancy check Your Answer Error rate True/False Question The application layer of a network consists of software being run on the computer connected to the network.

Correct Answer True Your Answer True Select The Blank Question Flow control ________. Correct Answer Prevents overflow at receiver Your Answer Prevents overflow at transmitter Multiple Choice Single Answer Question Fiber Optic Ethernet is also known as:- Correct Answer 10BASEF Your Answer 10BASET Select The Blank Question The ________ Timer is used in termination phase. Correct Answer Time waited Your Answer Time waited Select The Blank Question In Base T4 Ethernet ________ line coding is used. Correct Answer 8B /6T Your Answer 8B /10B Multiple Choice Single Answer Question Which of the following device copies electrical signals from one Ethernet to another? Correct Answer Repeater Your Answer Passive hub Multiple Choice Single Answer Question Which of the following connects LAN to a WAN? Correct Answer A network gateway Your Answer A network gateway Multiple Choice Single Answer Question Which of the following communications lines is best suited to interactive processing applications? Correct Answer Full-duplex lines Your Answer Full-duplex lines Multiple Choice Multiple Answer Question A spanning tree bridge :- Correct Answer Has no loops , Creates logical topology , Uses BPDU Your Answer Has no loops , Uses BPDU , Forward every frame Multiple Choice Multiple Answer Question In fast Ethernet functions of autonegotiation are :- Correct Answer To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability

Your Answer To allow incompatible devices to one other , To allow one device to have multiple capability True/False Question The simultaneous transmission of data to a number of stations is known as broadcast. Correct Answer True Your Answer True True/False Question The physical layer of a network controls error detection and correction. Correct Answer False Your Answer False Multiple Choice Single Answer Question Which organisation has developed much of the original standards? Correct Answer IEEE Your Answer IEEE True/False Question UDP is a connectionless, unreliable protocol. Correct Answer True Your Answer False Multiple Choice Multiple Answer Question Twisted pair cables are preferred when :- Correct Answer The LAN is under cost constraint , Relatively easy installation is need Your Answer The LAN is under cost constraint , Relatively easy installation is need , Network is small Match The FollowingQuestion Correct Answer Your Answer




Start and stop bits Asynchronous transmissionAsynchronous transmission

Multiple Choice Single Answer Question Peer to peer communication involves:- Correct Answer Computers to share information over a network Your Answer Computers to share information over a network Multiple Choice Single Answer

Question Twisted -pair Ethernet is also known as :- Correct Answer 10BASET Your Answer 10 BASE2 Multiple Choice Multiple Answer Question Broadcasting methods are :- Correct Answer Flooding , Multidestination routing , Reverse path forwarding Your Answer Random routing , Multidestination routing , Reverse path forwarding Match The FollowingQuestion Correct Answer Your Answer

Full - duplex Simultaneous transmission in both directions Simultaneous transmission in both directions


Bit Binary digit 0 and 1

Synchronous communication efficiencyHighHigh

Select The Blank Question In ALOHA ________ is the downloading carrier frequency. Correct Answer 413 MHz Your Answer 407 MHz Multiple Choice Single Answer Question Bandlimited signal is :- Correct Answer A signal all of whose energy is contained within a finite frequency range Your Answer The simultaneous transmission of data to a number of stations Multiple Choice Single Answer Question In the TCP/IP suite the protocol used for physical addressing of the next hop :- Correct Answer ARP Your Answer ARP Multiple Choice Multiple Answer Question Categories of traditional Ethernet are :- Correct Answer 10Base 5 , 10Base 2 , 10Base T Your Answer 10Base 5 , 10Base 2 , 10Base T Multiple Choice Multiple Answer Question The functions of ATM layers are :- Correct Answer Routing , Switching , Multiplexing Your Answer Routing , Switching , Multiplexing True/False

Question The main purpose of a data link content monitor detect problems in protocols. Correct Answer True Your Answer True Multiple Choice Single Answer Question Frame Relay operates at :- Correct Answer Physical and data link layer Your Answer Physical and data link layer Multiple Choice Single Answer Question The actual transmission and reception of data on an RS - 232 interface occurs :- Correct Answer On pins 2 and 3 Your Answer On pins 2 and 3 Select The Blank Question The ________ field is used to order packets of a message. Correct Answer Sequence number Your Answer Checksum Select The Blank Question In fast Ethernet autonegotiation allows ________ negotiation. Correct Answer Data rate Your Answer Data rate Multiple Choice Multiple Answer Question Error correction and detection in OSI model is done by :- Correct Answer Data link Layer , Transport Layer Your Answer Physical layer , Data link Layer Multiple Choice Multiple Answer Question Link control protocol (LCP) is responsible for :- Correct Answer Establishing , Maintaining , Configuring Your Answer Establishing , Maintaining , Configuring Multiple Choice Multiple Answer Question X.25 uses :- Correct Answer Packet assembler/disassembler , Packet switched network , Access lines to public data networks Your Answer Packet assembler/disassembler , Packet switched network , Access lines to public data networks Select The Blank Question The full abbreviation for AAL is________. Correct Answer Application Adaptation layer Your Answer Application Adaptation layer Select The Blank Question The ________ timer is needed to handle the zero window size. Correct Answer Persistence

Your Answer Keep alive Select The Blank Question Frame Relay is not used for ________ due to delays in transmission of variable frame sizes. Correct Answer Real-time video Your Answer Real-time video True/False Question Demodulation is the process of converting digital signals to analog signals. Correct Answer False Your Answer False True/False Question A device that can convert digital signals to analog signals is a packet. Correct Answer False Your Answer False Multiple Choice Single Answer Question A hub is actually :- Correct Answer A multiport repeater Your Answer A multiport repeater Multiple Choice Single Answer Question The cost assigned for passage of a packet through a network is called :- Correct Answer Metric Your Answer Metric Multiple Choice Multiple Answer Question PAP packets include :- Correct Answer Authenticate request , Authenticate ack , Authenticate nak Your Answer Authenticate request , Authenticate ack , Authenticate nak Select The Blank Question In 100BaseX ________ bits of data is received from network interface card. Correct Answer 8 Your Answer 16 Select The Blank Question In digital data transmission________. Correct Answer Baud rate is equal to bit rate Your Answer Baud rate is equal to bit rate

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question The token passing media access method passes a token over a ring and it sets : Correct Answer Different priorities Your Answer Single priority

Multiple Choice Multiple Answer Question Networking is Correct Answer Cost effective , Fast , Manageable Your Answer Cost effective True/False Question Sometimes flowcharting may result in a complex and clumsy design for large and highly complex program . Correct Answer True Your Answer True Multiple Choice Single Answer Question What is the name given to first parallel port on a desktop computer ? Correct Answer LPT1 Your Answer LPT1 True/False Question IP address has specific components and follow a specific format. Correct Answer True Your Answer True Match The FollowingQuestion Correct Answer Your Answer

Softcopies Monitor Hub

Input Device KeyboardKeyboard

Output Device Speakers Monitor

Hardcopies Printer Printer

Multiple Choice Multiple Answer Question Select the modern equipments available in the market which use ROM (Read Only Memory) to store data. Correct Answer Video Games , ATM's , Microwave Your Answer Video Games , ATM's , Microwave Multiple Choice Single Answer Question MIS helps the organization in the process of :- Correct Answer Decision making. Your Answer Decision making. Select The Blank Question IP phones have a ________ connector. Correct Answer RJ-45 Your Answer RJ-45 True/False Question Transmission is collection of facts and figures.

Correct Answer False Your Answer False True/False Question Any server can takeover from the failed application server as they share the same storage. Correct Answer True Your Answer False Multiple Choice Multiple Answer Question Network Attached Storage devices do not require : Correct Answer Monitor , Keyboard , Mouse Your Answer Monitor , Keyboard Select The Blank Question Charles Babbage was a professor of ________ in a British University who gave the design of the computer. Correct Answer Mathamatics Your Answer Mathamatics Multiple Choice Single Answer Question What denotes the hierarchy of an organization? Correct Answer Organization structure. Your Answer Organization structure. Multiple Choice Single Answer Question What are the words called written in hypertext document ? Correct Answer Links Your Answer Links Select The Blank Question A switch is a ________ HUB. Correct Answer Intelligent Your Answer Active True/False Question Printer is used to display information based on certain processing. Correct Answer False Your Answer False Select The Blank Question A computer is used to convert raw data into ________. Correct Answer Information Your Answer Information Match The FollowingQuestion Correct Answer Your Answer

Serial Communication Oneway transfer of data bi-directional data transfer

Protocols Data transmission software Twoway transfer of data

Signals Electronic encoding of data Electronic encoding of data

Transmission Communication of dataOneway transfer of data

True/False Question Analog signal is measured in volts and its frequency in hertz. Correct Answer False Your Answer True Select The Blank Question NAS systems use ________ protocol for web based administrative user interfaces. Correct Answer HTTP Your Answer HTTP Select The Blank Question A speed of the internet access is measured as the ________ of the connection. Correct Answer Bandwidth Your Answer Bandwidth Select The Blank Question A VPN behaves similar to a ________ network. Correct Answer Private Your Answer Private Multiple Choice Multiple Answer Question An algorithm must have Correct Answer Input , Output , Process Your Answer Input , Output , Process Multiple Choice Single Answer Question In a computer network environment the message is navigating through a : Correct Answer Meduim Your Answer Computer True/False Question There is usually heavy charges for computer-to-computer calls, depending on the distance. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question A program is usually written using Correct Answer C , Fortran , Visual Basic Your Answer Visual Basic Multiple Choice Single Answer Question Internet access is usually provided by Internet Service providers, this connectivity or setup is a network design which is classified under : Correct Answer MAN

Your Answer WAN Select The Blank Question If the station possessing the token has information it transmit, it ________ the token. Correct Answer Seizes Your Answer Releases Multiple Choice Single Answer Question Secure remote access over the internet for mobile users and secure LAN connectivity can be achieved by: Correct Answer Virtual private networks Your Answer Virtual private networks Select The Blank Question ________ is the most expensive type of cable available in the market. Correct Answer Fiber Optic Your Answer Fiber Optic Select The Blank Question Heavy data traffic will lead to grater number of collisions and ________ in a network. Correct Answer Retransmissions Your Answer Retransmissions Multiple Choice Single Answer Question The network administrator usually when handles enormous amount of data, the data becomes critical and may be sensitive sometimes, the contengency related to data handling is monitored specifically through data : Correct Answer Backups Your Answer Mirroring True/False Question Chat programs all users to communicate with each other in real time. Correct Answer True Your Answer True True/False Question Packet sniffers cannot be used to diagnose and fix network related problems. Correct Answer False Your Answer True Multiple Choice Multiple Answer Question What are the different parts of a storage device ? Correct Answer Read/Write Heads , Controller , Data Cache Your Answer Read/Write Heads , Controller , Cables Multiple Choice Single Answer Question By double clicking the left mouse button on an icon the document can be : Correct Answer Opened

Your Answer Opened Multiple Choice Single Answer Question A central control over the network resources with enhanced security of data can be implemented by : Correct Answer Server Based Networking Your Answer Server Based Networking Multiple Choice Multiple Answer Question The two types of browser are Correct Answer Graphical , Text Your Answer Graphical , Text True/False Question MICR is capable of reading characters written in black ink. Correct Answer False Your Answer False Multiple Choice Single Answer Question The flow of information through MIS is :- Correct Answer Need dependent. Your Answer Organization dependent. Select The Blank Question In ring topology a signal is transferred via a ________ from one station to another. Correct Answer Token Your Answer Address Multiple Choice Single Answer Question Every NIC has a Unique identifier which is hardcoded and is used to uniquely identify it, it is referred as : Correct Answer MAC Address Your Answer MAC Address Multiple Choice Single Answer Question The backbone of any organization is :- Correct Answer Information Your Answer Information Multiple Choice Multiple Answer Question Modern digital cameras are capable of : Correct Answer Take Photographs , Record Videos , Capture Sounds Your Answer Take Photographs , Record Videos Multiple Choice Single Answer Question Set of standards or rules for establishing a successful communication channel is reffered as : Correct Answer Protocols Your Answer Protocols

Multiple Choice Multiple Answer Question A computer hardware is categorized into the following heads : Correct Answer Input & Output Devices , Memory , Storage Devices Your Answer Input & Output Devices , Memory , Applications

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Multiple Answer Question Network Attached Storage devices do not require : Correct Answer Monitor , Keyboard , Mouse Your Answer Mouse True/False Question A light pen is capable of sensing a position on CRT. Correct Answer True Your Answer True Multiple Choice Single Answer Question The software used to access and navigate internet pages is called Correct Answer Browser Your Answer Browser Match The FollowingQuestion Correct Answer Your Answer

Unknown Networks Internet zoneOutside security zone

Local Area Network Organization zoneOrganization zone

Trusted Networks Inside security zoneInside security zone

Un-trusted Networks Outside security zoneOutside security zone

True/False Question A scanner can be shared on a Network. Correct Answer False Your Answer True Match The FollowingQuestion Correct Answer Your Answer

Small organization C class IP address C class IP address

Network class D & E class IP addressTCP class

Large organizationsA class IP address A class IP address

Medium organizations B class IP address B class IP address

Multiple Choice Single Answer Question LCD's are available in field effective type and: Correct Answer Dynamic Scattering Type Your Answer Dynamic Scattering Type Select The Blank Question A Super Computer contains more than one________. Correct Answer CPU's Your Answer CPU's Multiple Choice Single Answer Question Chat rooms are used to exchange comments over the internet depending on Correct Answer Topics Your Answer Topics Multiple Choice Multiple Answer Question Different types of web graphical softwares are Correct Answer Internet Explorer , Firefox Your Answer Internet Explorer , Firefox , Netscape Select The Blank Question Computers on the internet use ________ architecture. Correct Answer Client/server Your Answer Client/server Multiple Choice Single Answer Question When the organizations share data on a network, the data is critical in nature and it should be highly secure, this data security and management is the task of Correct Answer Network Administrator Your Answer Network Administrator Select The Blank Question A standard keyboard comprises of ________ number of keys. Correct Answer 104 Your Answer 104 Select The Blank Question If an transmission error is detected ________ bit is stripped out of the data. Correct Answer Parity Your Answer Flag Multiple Choice Multiple Answer Question Peer to Peer networking is configured when Correct Answer User are in close Proximity , Limited Network Growth Your Answer Users are geographically apart

Multiple Choice Multiple Answer Question A Java program runs equally well on which platforms without any additional programming. Correct Answer PC , Macintosh , UNIX Your Answer UNIX Multiple Choice Single Answer Question The flow of information through MIS is :- Correct Answer Need dependent. Your Answer Structure dependent. Select The Blank Question The file over the internet is downloaded to ________ machine. Correct Answer Client Your Answer Client Multiple Choice Multiple Answer Question Packets of data that is transmitted over the network from one computer to another consists of : Correct Answer Error Detection Bits , Sequencing Bits , Addressing Bits Your Answer Addressing Bits , Error Detection Bits , Sequencing Bits Multiple Choice Single Answer Question People use hybrid processors usually when there is a need for : Correct Answer Combined Processing Your Answer Combined Processing Multiple Choice Single Answer Question Optical signals which are flashed down the fiber optic cable by a laser is called : Correct Answer Photones Your Answer Photones Multiple Choice Single Answer Question What denotes the hierarchy of an organization? Correct Answer Organization structure. Your Answer Organization structure. True/False Question All computers do not require operating software. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question Floppy disk are available with the following capacities : Correct Answer 1.44 MB , 1.2 MB , 3.5 inch Your Answer 1.44 MB , 3.5 inch True/False

Question Data is a collection of hardware devices attached to a computer. Correct Answer False Your Answer True True/False Question You can attach voice message to your email that is sent over the internet. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question The most famous instant messaging services available are Correct Answer ICQ , MSN , Yahoo Your Answer MSN , Yahoo Multiple Choice Multiple Answer Question What are the devices which use synchronous transmission media to communicate ? Correct Answer Telephones , Instant Messaging , Chat Room Events Your Answer Telephones , Instant Messaging , Chat Room Events True/False Question In Asynchronous communication there is a gurantee that the communicators will agree over extended periods. Correct Answer False Your Answer False Select The Blank Question A computer processes data into useable and more precised summary which is referred as ________. Correct Answer Information Your Answer Information Select The Blank Question In a company data is transferred over the ________ with the help of a media. Correct Answer Network Your Answer Network Multiple Choice Multiple Answer Question Pure input devices include: Correct Answer Keyboard , Mouse , Scanner Your Answer Keyboard , Mouse Multiple Choice Multiple Answer Question Three widely used VPN protocols are : Correct Answer IPsec , Tunneling , Socks5 Your Answer IPsec , Tunneling , Socks5 Select The Blank Question If an application is run in client mode ________ information is sent across the network in clear text. Correct Answer Authentic

Your Answer Authentic True/False Question In a Network setup the sender and reciever can be computer terminals. Correct Answer True Your Answer True Multiple Choice Single Answer Question Now a days data is commonly stored on a CD, and it is also referred as : Correct Answer Optical Disk Your Answer Compact Disk Select The Blank Question The terminals involved in ________ data sends soh first, then the data and finally eot. Correct Answer Sending Your Answer Sending Multiple Choice Multiple Answer Question What are the two types of bus topologies available for use ? Correct Answer Regular , Local Your Answer Regular , Local Multiple Choice Single Answer Question A technique which helps the programmers in debugging process is Correct Answer Flowchart Your Answer Flowchart Select The Blank Question An ________ is the most popular form of network communication system. Correct Answer E-mail Your Answer E-mail True/False Question IP spoofing is possible by using a trusted IP address over a network. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Network Operating System Correct Answer Windows 2000 , Windows NT , Novel Netware Your Answer Windows 2000 , Windows NT Multiple Choice Single Answer Question Smart cards are credit card sized and contain a : Correct Answer Microprocessor Your Answer Compaq Disc Multiple Choice Single Answer Question The Photographs in digital cameras are stored in : Correct Answer Memory

Your Answer Memory Multiple Choice Single Answer Question Who provides files and services to the user's local machine over the internet ? Correct Answer Remote server Your Answer Remote server True/False Question To access the world wide web you must use a operating software. Correct Answer False Your Answer False True/False Question A Modem is a communication devices which cannot be shared on a network it is usually connected to one computer only. Correct Answer False Your Answer True

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question Routing between autonomous system is referred to as :- Correct Answer Exterior routing Your Answer Interior routing True/False Question Application programs as well as all protocol software from the internet layer upward use only IP address. Correct Answer True Your Answer True True/False Question The 1-4 digits are known as the country code of the NUA. Correct Answer True Your Answer True Select The Blank Question The OSI models consists of ________ layers. Correct Answer Seven Your Answer Seven Multiple Choice Multiple Answer Question Internet Assigned Number Authority (IANA) has divided port number into the ranges :- Correct Answer Well-known ports , Registered ports , Dynamic ports Your Answer Registered ports , Dynamic ports True/False

Question Half-duplex transmission limits communication in one direction at a time. Correct Answer True Your Answer False Multiple Choice Single Answer Question What does the acronym ISDN stand for? Correct Answer Integrated Services Digital Network Your Answer Integrated Services Digital Network Multiple Choice Multiple Answer Question LCP packets include :- Correct Answer Configuration packets , Link termination packets , Link monitoring and debugging packets Your Answer Configuration packets , Link termination packets , Link monitoring and debugging packets Select The Blank Question In ________ multiple frames can be in transit at the same time. If there is an error only the unacknowledged frame is retransmitted. Correct Answer Selective repeat ARQ Your Answer Selective repeat ARQ Multiple Choice Single Answer Question Default masking is :- Correct Answer A process that extracts the network address from IP address Your Answer A process that extracts the sub network address from IP address Match The FollowingQuestion Correct Answer Your Answer





True/False Question Frame Relay does not provide flow control or error control, they must be provided by upper layer protocols. Correct Answer True Your Answer True Multiple Choice Single Answer Question Which of the following connects LAN to another of the same type? Correct Answer A network bridge

Your Answer A network bridge Multiple Choice Multiple Answer Question Channelization protocols are :- Correct Answer TDMA , CDMA , FDMA Your Answer TDMA , CDMA , FDMA Select The Blank Question In fast Ethernet autonegotiation allows ________ negotiation. Correct Answer Data rate Your Answer Data rate Multiple Choice Single Answer Question Repeater operates in :- Correct Answer Physical layer Your Answer Physical layer True/False Question For multicasting between two non contiguous multicast routers, a multicast backbone (MBONE) is used to enable tunneling. Correct Answer True Your Answer True Multiple Choice Single Answer Question Contention is :- Correct Answer The condition when two or more stations attempt to use the same channel at the same time Your Answer The condition when two or more stations attempt to use the same channel at the same time Select The Blank Question In a ________ link, the only traffic is between the two connected devices. Correct Answer Dedicated Your Answer Dedicated Match The FollowingQuestion Correct Answer Your Answer





Multiple Choice Single Answer Question Which organization has developed much of the original standards for LAN? Correct Answer IEEE Your Answer IEEE

True/False Question The bridge changes physical address in frame. Correct Answer False Your Answer True Multiple Choice Single Answer Question Which of the following condition is used to transmit two packets over a medium at the same time? Correct Answer Collision Your Answer Contention True/False Question GMII is a physical component. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question Transreceiver performs the function of :- Correct Answer Transmitting and detection , Collision , Encoding and decoding Your Answer Transmitting and detection , Collision , Encoding and decoding Multiple Choice Single Answer Question Which of the following device is used with an X.25 network to provide service to asynchronous terminals? Correct Answer Packet assembler/disassembler Your Answer Packet assembler/disassembler Multiple Choice Multiple Answer Question Features that encourages the wide spread use of ATM in telecommunication are :- Correct Answer Low error rate , Low operating cost , High speed data rate Your Answer High speed data rate , Low error rate , Low operating cost Multiple Choice Single Answer Question Data rates above the 20,000 bps limitation of the RS-232 standard become possible by :- Correct Answer Shortening the cable Your Answer Shortening the cable Select The Blank Question The ________ layer is responsible for host-to-host delivery. Correct Answer Network Your Answer Network Select The Blank Question A ________ path provides a connection or a set of connections between switches. Correct Answer Virtual Your Answer Transmission

True/False Question Devices on one network can communicate with devices on one another network via a utility server. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question Categories of Gigabit Ethernet 1000BaseX are :- Correct Answer 1000 Base - SX , 1000 Base - LX , 1000 Base - CX Your Answer 1000 Base - SX , 1000 Base - LX , 1000 Base - CX Multiple Choice Single Answer Question In OSI network architecture, the dialoge control and token management are the responsibilities of :- Correct Answer Session layer Your Answer Session layer Multiple Choice Single Answer Question The main advantage of ISO model is that :- Correct Answer It allows integration of software and hardware Your Answer It allows integration of software and hardware Select The Blank Question For 1000Base-T Gigabit Ethernet ________ line coding is used. Correct Answer 4D /PAM 5 Your Answer 4D /PAM 5 Multiple Choice Multiple Answer Question Fast Ethernet has :- Correct Answer Data rate of 100 mbps , Auto negotiation , Reconciliation sub layer Your Answer Data rate of 100 mbps , Auto negotiation , Reconciliation sub layer True/False Question A cheapest modem can transmit 300 bits per second. Correct Answer True Your Answer False Select The Blank Question Network layer is responsible for delivery of ________ from one source to other. Correct Answer Packets Your Answer Packets Multiple Choice Single Answer Question A bus backbone is most suited for:- Correct Answer Different buildings in campus Your Answer Different buildings in campus Select The Blank

Question The fast Ethernet has ________ data rate. Correct Answer 100 Mbps Your Answer 100 Mbps Multiple Choice Multiple Answer Question Signal quality may degrade due to :- Correct Answer Attenuation , Distortion , Noise Your Answer Attenuation , Distortion True/False Question Frame Relay is a virtual circuit network. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Terms used to describe digital signal are :- Correct Answer Bit rate , Bit interval Your Answer Bit rate , Bit interval Select The Blank Question In ATM, all cells of single message till destination follows the ________ path. Correct Answer Virtual circuit Your Answer Virtual circuit Multiple Choice Single Answer Question Which organisation has developed much of the original standards? Correct Answer IEEE Your Answer IEEE Multiple Choice Multiple Answer Question Query message that ICMP supports :- Correct Answer Echo request and reply , Time-stamp request and reply , Router solicitation and advertisement Your Answer Echo request and reply , Time-stamp request and reply , Data transfer Multiple Choice Multiple Answer Question The types of Internet Group Management Protocol (IGMP) message are :- Correct Answer Leave Report , Membership Report , Query Your Answer Leave Report , Membership Report , Query

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question All of the parts in a computer talk to each other by sending :- Correct Answer Digital signals Your Answer Digital signals

Multiple Choice Single Answer Question A bus is :- Correct Answer One or more conductors Your Answer Two or more stations attempt to use the same channel Multiple Choice Single Answer Question HDLC is a :- Correct Answer Bit-oriented protocol Your Answer Bit-oriented protocol True/False Question A central computer surrounded by one or more satellite computers is called a bus network. Correct Answer False Your Answer False Multiple Choice Single Answer Question In a switching method, each packet of a message need not follow the same path from transmitter to receiver, this method is :- Correct Answer Virtual circuit packet switching Your Answer Channel switching True/False Question A device that can convert digital signals to analog signals is a packet. Correct Answer False Your Answer False Select The Blank Question A data packet is a packet header together with ________. Correct Answer User data Your Answer User data Match The FollowingQuestion Correct Answer Your Answer

Backbone Connecting several LANsConnecting several LANs

Repeater Physical layer Physical layer

Bridge Physical and data link layer Physical and data link layer

Hubs Multiport repeater Multiport repeater

Select The Blank Question For delivery the user datagram to the correct application program, UDP needs________. Correct Answer Port address Your Answer Port address True/False

Question The application layer of a network consists of software being run on the computer connected to the network. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Fast Ethernet has :- Correct Answer Auto negotiation , Reconciliation sub layer , Data rate of 100 mbps Your Answer Data rate of 100 mbps , Auto negotiation , Reconciliation sub layer Multiple Choice Multiple Answer Question IPv6 address supports :- Correct Answer Hexadecimal colon notation , CIDR address , Classless address Your Answer Two-level address , Hexadecimal colon notation , CIDR address Multiple Choice Multiple Answer Question Digital transmission is possible in :- Correct Answer Serial mode , Parallel mode Your Answer Serial mode , Parallel mode , Sequential mode Select The Blank Question In ________ multiple frames can be in transit at the same time. If there is an error only the unacknowledged frame is retransmitted. Correct Answer Selective repeat ARQ Your Answer Selective repeat ARQ True/False Question For connecting several LANs, backbone networks are used. Correct Answer True Your Answer True True/False Question The transport layer is responsible for process-to-process delivery. Correct Answer True Your Answer True Select The Blank Question In fast Ethernet ________ replaces physical layer signaling. Correct Answer Reconciliation Sub Layer Your Answer PHY Multiple Choice Multiple Answer Question Categories of traditional Ethernet are :- Correct Answer 10Base 5 , 10Base 2 , 10Base T Your Answer 10Base 5 , 10Base 2 , 10Base T Select The Blank Question ATM defines ________ versions of application adaptation Layer(AAL).

Correct Answer Four Your Answer Three Multiple Choice Multiple Answer Question Transfer of data from CPU to peripheral devices of computer is :- Correct Answer Serial port , Parallel port Your Answer Serial port , Parallel port , Modem True/False Question Data rate of traditional Ethernet is 100Mbps. Correct Answer False Your Answer True Multiple Choice Single Answer Question The total length of IP datagram including header is :- Correct Answer 65,535 bytes Your Answer 65,535 bytes Multiple Choice Single Answer Question Routing with an autonomous system is referred as :- Correct Answer Interior routing Your Answer Border routing True/False Question A modem is only capable of modulation. Correct Answer False Your Answer False Select The Blank Question The IP datagram header is ________ in length. Correct Answer 20-60 bytes Your Answer 4-8 bytes Multiple Choice Multiple Answer Question A virtual connections identified by:- Correct Answer Combination of VPI and VCI , VPI , VCI Your Answer VPI , VCI , Combination of VPI and VCI True/False Question Autonegotiation is a feature of fast Ethernet. Correct Answer True Your Answer True Select The Blank Question In full duplex Ethernet ________ links are used. Correct Answer Two Your Answer Two Multiple Choice Single Answer

Question As the data packet moves from the upper to the lower layers, headers are:- Correct Answer Added Your Answer Added Select The Blank Question The ________ timer is needed to control a lost or discarded segment by TCP. Correct Answer Retransmission Your Answer Retransmission True/False Question The hierarchical use of hubs removes the length limitation of 10BaseT. Correct Answer True Your Answer True Select The Blank Question In 100BaseT4 ________ is used as transmission media. Correct Answer Twisted pair cable Your Answer Twisted pair cable Select The Blank Question A television broadcast is an example of ________ transmission. Correct Answer Simplex Your Answer Simplex Multiple Choice Multiple Answer Question PAP packets include :- Correct Answer Authenticate request , Authenticate ack , Authenticate nak Your Answer Authenticate request , Authenticate ack , Authenticate nak Select The Blank Question The longest transmission distance can be achieved with ________. Correct Answer Fiber optic cable Your Answer Fiber optic cable True/False Question For multicasting between two non contiguous multicast routers, a multicast backbone (MBONE) is used to enable tunneling. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question A Bus backbone network :- Correct Answer Connects several LANs , Uses bus topology , Uses star topology Your Answer Connects several LANs , Uses bus topology , Saves BW Multiple Choice Single Answer Question In OSI network architecture, the dialoge control and token management are the responsibilities of :- Correct Answer Session layer Your Answer Session layer

Multiple Choice Multiple Answer Question The versions of AAL layers are :- Correct Answer AAL1 and AAL2 , AAL3/4 and AAL5 Your Answer AAL1 and AAL2 , AAL3 , AAL3/4 and AAL5 Multiple Choice Single Answer Question HDLC (High -level Data Link Control) is :- Correct Answer A very common bit-oriented data link protocol issued to ISO Your Answer A methods access control technique for multiple-access transmission media Multiple Choice Multiple Answer Question Criteria for transparent bridge are :- Correct Answer Frame address change , Forwarding table is automatically learning frame movements , Forward every frame Your Answer Forwarding table is automatically learning frame movements , Prevent loops , Forward every frame Multiple Choice Multiple Answer Question Eavesdropping exists in :- Correct Answer Coaxial cable , Shielded twisted pair cable , Unshielded twisted pair cable Your Answer Coaxial cable , Shielded twisted pair cable , Unshielded twisted pair cable Match The FollowingQuestion Correct Answer Your Answer


Digital 0 and 1 Asynchronous transmission


Start and stop bits Asynchronous transmission 0 and 1

Multiple Choice Single Answer Question Flow control is needed to prevent :- Correct Answer Overflow of the receiver buffer Your Answer Overflow of the receiver buffer Multiple Choice Single Answer Question Fiber Optic Ethernet is also known as:- Correct Answer 10BASEF Your Answer 10BASEF Multiple Choice Single Answer

Question Carrier is :- Correct Answer A continuous frequency capable of being modulated or impressed with a second signal Your Answer A collection of interconnected functional units that provides a data communication service among stations attached to the network Multiple Choice Multiple Answer Question A data terminal serves as :- Correct Answer Effecter , Sensor Your Answer Sensor , Transmitter , Modulator

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question The oldest method of multiple access is :- Correct Answer ALOHA Your Answer ALOHA True/False Question Gateway allows devices on one network to communicate with devices on another network. Correct Answer True Your Answer True True/False Question The general area of data communications encompasses tele-communications. Correct Answer False Your Answer False Select The Blank Question The TCP and UDP both protocols operate at ________. Correct Answer Transport layer Your Answer Transport layer Select The Blank Question Flow control ________. Correct Answer Prevents overflow at receiver Your Answer Controls overflow at transmitter Multiple Choice Single Answer Question The data unit in user datagram protocol (UDP) is called as :- Correct Answer Datagram Your Answer Datagram Multiple Choice Multiple Answer Question TCP connection establishment uses :- Correct Answer Three way handshake , Full duplex mode

Your Answer Three way handshake , Full duplex mode Multiple Choice Multiple Answer Question The timers used in TCP are :- Correct Answer Retransmission , Persistence , Keep alive Your Answer Retransmission , Persistence , Keep alive Multiple Choice Multiple Answer Question Virtual circuit frame used in Frame Relay :- Correct Answer Switched virtual circuit (SVC) , Permanent Virtual Circuit (PVC) , Multicast Virtual Circuit (MVC) Your Answer Switched virtual circuit (SVC) , Permanent Virtual Circuit (PVC) , Multicast Virtual Circuit (MVC) True/False Question The application layer of a network defines the user's port into the network. Correct Answer False Your Answer False Select The Blank Question The ATM data packet is a cell composed of ________ bytes. Correct Answer 53 Your Answer 64 Multiple Choice Single Answer Question Data rates above the 20,000 bps limitation of the RS-232 standard become possible by :- Correct Answer Shortening the cable Your Answer Using the signal ground conductor Select The Blank Question IPv6 allows ________ addressing. Correct Answer Classless Your Answer Classless Multiple Choice Multiple Answer Question Protocol used for authentication in PPP :- Correct Answer PAP (Password Authentication Protocol) , CHAP (Challenge Handshake Protocol) Your Answer PAP (Password Authentication Protocol) , NCP (Network Control Protocol) True/False Question In channelization access method the available BW is shared in time, frequency and code. Correct Answer True Your Answer True Multiple Choice Multiple Answer

Question HDLC supports :- Correct Answer Half duplex communication , Full duplex communication , ARQ mechanisms Your Answer Full duplex communication , ARQ mechanisms , Pipelining Select The Blank Question ATM standard defines ________ layer. Correct Answer Three Your Answer Four True/False Question The 1-4 digits are known as the country code of the NUA. Correct Answer True Your Answer False Match The FollowingQuestion Correct Answer Your Answer

10Base-FL Fiber link Ethernet Fiber link Ethernet

10Base5 Thicknet Thicknet

10Base2 Cheaper net Cheaper net

10BaseT Twisted pair ethernet Twisted pair ethernet

Multiple Choice Multiple Answer Question A repeater :- Correct Answer Connects segments of a LAN , Forwards every frame , Is a regenerator Your Answer Connects segments of a LAN , Forwards every frame , Is a regenerator True/False Question Local area networks can transmit data using twisted -pair wiring or coaxial cables. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question A star backbone network :- Correct Answer Topology of backbone is star , The backbone is just one switch , Connects several LANs Your Answer Topology of backbone is star , The backbone is just one switch , Connects several LANs Multiple Choice Multiple Answer Question A transport layer :- Correct Answer Gives service to Application layer , Receives Service from Network layer Your Answer Gives service to Application layer , Receives Service from Network layer Select The Blank

Question In ATM, ________ is designed to travel sequentially a single message. Correct Answer AAL5 Your Answer AAL1 Select The Blank Question Data link layer is responsible for transmitting ________ from one node to other. Correct Answer Frames Your Answer Frames Multiple Choice Single Answer Question Which organization develop the original RS - 232C specification? Correct Answer EAI Your Answer ITU Select The Blank Question The simplest flow control and error control mechanism is ________. Correct Answer Stop-and-wait ARQ Your Answer Selective repeat ARQ Multiple Choice Single Answer Question In sub networks the number of intermediate levels of hierarchy in IP addressing are :- Correct Answer Three Your Answer Four Multiple Choice Multiple Answer Question Important features of GMII :- Correct Answer Data rate is 1000 Mbps , There is no GMII cable and connector , Management functions are included Your Answer Data rate is 1000 Mbps , There is no GMII cable and connector , Management functions are included Multiple Choice Single Answer Question The main standards relating to Ethernet networks are :- Correct Answer IEEE 802.2 and IEEE 802.3 Your Answer IEEE 802.2 and IEEE 802.3 Multiple Choice Single Answer Question Packets in the IP layer are called :- Correct Answer Datagrams Your Answer Data packets Select The Blank Question The OSI models consists of ________ layers. Correct Answer Seven Your Answer Seven Multiple Choice Multiple Answer Question Point-to-point (PPP) provides following services :-

Correct Answer Defining frame format , Defines link establishment , defines authentication process of devices Your Answer Defining frame format , Defines link establishment , defines authentication process of devices Multiple Choice Single Answer Question Which of the following method is used for dedicated communications path between two devices through one or more intermediate switching node? Correct Answer Circuit switching Your Answer Circuit switching Multiple Choice Multiple Answer Question Routers used in OSPF :- Correct Answer Area border router , Backbone router , Autonomous system boundry router (ASBR) Your Answer Area border router , Backbone router , Autonomous system boundry router (ASBR) True/False Question For efficient multicasting, a shortest path spanning tree represents the communication path. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question In fast Ethernet functions of autonegotiation are :- Correct Answer To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability Your Answer To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability True/False Question In frame Relay, Data Link Connection Identifier (DLCI) is used to identify virtual circuit. Correct Answer True Your Answer False Multiple Choice Single Answer Question Two - state(binary) communications systems are better than single state systems because :- Correct Answer The components are more reliable Your Answer They can interface with the telephone n/w Select The Blank Question A ________ connection provides a dedicated link between devices. Correct Answer Point -to-point Your Answer Point -to-point

True/False Question Repeater operates in physical layer. Correct Answer True Your Answer True Multiple Choice Single Answer Question In the TCP/IP suite the protocol used for physical addressing of the next hop :- Correct Answer ARP Your Answer ARP Multiple Choice Single Answer Question Routing Information Protocol (RIP) is based on :- Correct Answer Distance vector routing Your Answer Distance vector routing Select The Blank Question The code which provides for parity check is ________. Correct Answer ASCII Your Answer ASCII True/False Question The important characteristic of LAN is parallel transmission. Correct Answer False Your Answer True Multiple Choice Single Answer Question X.25 operates at data rate of :- Correct Answer 64 Kbps Your Answer 64 Kbps Match The FollowingQuestion Correct Answer Your Answer

1000BaseSX Two optical fiber and shortwave laser source Two optical fiber and shortwave laser source

100BaseTX Two pairs of twisted pair cableTwo pairs of twisted pair cable

100BaseFX Two fiber optic cableTwo fiber optic cable

100BaseT4 Four pairs of twisted pair cableFour optical fiber cable

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The Blank Question A network which is used for sharing data, software and hardware among several users owning microcomputers is called ________. Correct Answer LAN

Your Answer LAN Multiple Choice Single Answer Question A virtual circuit in Frame Relay can be identified by :- Correct Answer DLCI Your Answer DLCI Multiple Choice Single Answer Question According to the PPP transition state diagram, options are negotiated in the :- Correct Answer Establishing state Your Answer Authenticating state Multiple Choice Single Answer Question CSMA (Carrier Sense Multiple Access) is :- Correct Answer A method access control technique or multiple-access transmission media Your Answer A method access control technique or multiple-access transmission media Select The Blank Question In ATM, all cells of single message till destination follows the ________ path. Correct Answer Virtual circuit Your Answer Fixed True/False Question The TCP/IP protocols treat all networks equally. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question CHAP packets include :- Correct Answer Challenge , Response , Success and failure Your Answer Challenge , Response , Success and failure Multiple Choice Multiple Answer Question Categories of Gigabit Ethernet 1000BaseX are :- Correct Answer 1000 Base - SX , 1000 Base - LX , 1000 Base - CX Your Answer 1000 Base - SX , 1000 Base - LX , 1000 Base - FX Multiple Choice Multiple Answer Question Bit Stuffing is :- Correct Answer Adding one extra ' 0' , Stuffing at sender , Removing at sender Your Answer Adding one extra ' 0' , Stuffing at sender , Removing at sender True/False Question Base band is transmission of signals without modulation. Correct Answer True Your Answer True

Multiple Choice Single Answer Question Terminals are required for :- Correct Answer Real time, timesharing, and message switching Your Answer Real time, timesharing, and distributed processing Multiple Choice Single Answer Question HDLC is an acronym for :- Correct Answer High-level data link control Your Answer High-duplex line communication Multiple Choice Multiple Answer Question A spanning tree bridge :- Correct Answer Has no loops , Creates logical topology , Uses BPDU Your Answer Has no loops , Creates logical topology , Forward every frame Select The Blank Question In fast Ethernet autonegotiation allows ________ negotiation. Correct Answer Data rate Your Answer Collision Match The FollowingQuestion Correct Answer Your Answer

ATM Layer Cell Length 53 bytes 53 bytes

Backbone Bus or star 53 bytes

Virtual LAN configured by software LAN configured by software

VOFR Voice over Frame Relay Voice over Frame Relay

True/False Question A bridge should be able to connect different LAN protocols. Correct Answer True Your Answer False Select The Blank Question The ________ layer is responsible for process-to-process delivery. Correct Answer Transport Your Answer Transport Multiple Choice Multiple Answer Question Fast Ethernet physical layer consists of :- Correct Answer Reconciliation Sub Layer (RS) , Medium Independent Interface (MII) , Physical layer Entity (PHY) Your Answer Reconciliation Sub Layer (RS) , Medium Independent Interface (MII) , Physical layer Entity (PHY)

Multiple Choice Multiple Answer Question The Types of error that Internet Control Message Protocol (ICMP) can handle are :- Correct Answer Destination unreachable , Source quench , Redirection Your Answer Destination unreachable , Retransmision , Redirection Select The Blank Question Gigabit Ethernet operates on ________ data rate. Correct Answer 1000 Mbps Your Answer 10000 Mbps Multiple Choice Multiple Answer Question AAL sub layers are :- Correct Answer Convergence sub layer (CS) , Segmentation and reassembly (SAR) Your Answer Convergence sub layer (CS) , Segmentation and reassembly (SAR) True/False Question RS-232C is a standard interface between Data Terminal Equipment(DTE) and Data Circuit Terminating Equipment (DCE). Correct Answer True Your Answer True Multiple Choice Single Answer Question Each station is assigned a unique code in :- Correct Answer CDMA Your Answer CDMA Multiple Choice Multiple Answer Question Transreceiver performs the function of :- Correct Answer Transmitting and detection , Collision , Encoding and decoding Your Answer Transmitting and detection , Synchronization , Collision Match The FollowingQuestion Correct Answer Your Answer


Least cost medium Twisted pair cable Modem

No electromagnetic interference Optical fiber Optical fiber

Several signals traveling in the same channelMultiplexing Multiplexing

Multiple Choice Multiple Answer Question Terms used to describe digital signal are :- Correct Answer Bit rate , Bit interval Your Answer Bit rate , Bit interval , Band rate

Multiple Choice Multiple Answer Question The important features of a reapeter are :- Correct Answer Can use 10Base5 , Acts as two port node , Operates only in physical layer Your Answer Has cable length of 500 m , Acts as two port node , Operates only in physical layer Multiple Choice Single Answer Question A required characteristic of an online real- time system is :- Correct Answer No delay in processing Your Answer No delay in processing Multiple Choice Multiple Answer Question In modems :- Correct Answer Signals are converted into analog to digital , Signals are converted into digital to analog , A digital signal changes some characteristic of carrier wave Your Answer Signals are converted into analog to digital , Signals are converted into digital to analog , Digital signal is amplified Select The Blank Question The end-to-end delivery of the entire message is the responsibility of the ________ layer. Correct Answer Network Your Answer Session True/False Question Devices on one network can communicate with device on another network via a gateway. Correct Answer True Your Answer True Select The Blank Question The X.25 standard specifies ________ protocol layers are the serial interface gateway. Correct Answer 3 Your Answer 2 Multiple Choice Single Answer Question Which of the following summation operation is performed on the bits to check an error-detecting code? Correct Answer Checksum Your Answer Checksum Multiple Choice Single Answer Question Frame Relay operates at :- Correct Answer Physical and data link layer Your Answer Data Link layer Multiple Choice Multiple Answer Question Features that encourages the wide spread use of ATM in telecommunication are :-

Correct Answer High speed data rate , Low error rate , Low operating cost Your Answer High speed data rate , Low error rate , Low operating cost Multiple Choice Single Answer Question In Permanent Virtual Circuit (PVC), the connection between source and destination is set up :- Correct Answer Permanently Your Answer Permanently Multiple Choice Single Answer Question Internet protocol is a :- Correct Answer Host-to-host delivery network layer protocol Your Answer Protocol with error control and flow control Multiple Choice Single Answer Question A characteristic of a multiprogramming system is :- Correct Answer Concurrent processing of two or more programs Your Answer Simultaneous execution of program instructions from two applications Select The Blank Question For 1000Base-T Gigabit Ethernet ________ line coding is used. Correct Answer 4D /PAM 5 Your Answer 4D /PAM 5 True/False Question The bridge can access MAC address. Correct Answer True Your Answer False True/False Question Modulation is the process of converting digital to analog signal. Correct Answer True Your Answer True Select The Blank Question The ________ timer is needed to handle the zero window size. Correct Answer Persistence Your Answer Retransmission True/False Question Network File System (NFS) allow computers to share files across a network or networks. Correct Answer True Your Answer True True/False Question In OSI network architecture the dialogue control and token management are responsibilities of session layer.

Correct Answer True Your Answer True Select The Blank Question In Ethernet LAN ________ is the source address. Correct Answer Unicast Your Answer Multicast True/False Question The simultaneous transmission of data to a number of stations is known as broadcast. Correct Answer True Your Answer True Select The Blank Question Before information can be transmitted, it must be transformed into________. Correct Answer Electromagnetic signals Your Answer Electromagnetic signals

LIST OF ATTEMPTED QUESTIONS AND ANSWERS

Select The Blank Question Fast Ethernet has ________ feature. Correct Answer Autonegotiation Your Answer Autonegotiation

Multiple Choice Single Answer Question In which method a station reserves a slot for data by setting its flag in a frame? Correct Answer Reservation Your Answer Reservation

Match The FollowingQuestion Correct Answer Your AnswerDigital Transmission Data transmission from hard disk to memory Data transmission from hard disk to memorySimplex Common in one direction only

Common in one direction onlyDuplex Common in both direction only

Common in both direction onlyAnalog Transmission Door-Darshan transmission More noise

Select The Blank Question Gigabit Ethernet operates on ________ data rate. Correct Answer 1000 Mbps Your Answer 10000 Mbps

Select The Blank Question In ALOHA ________ is the uploading carrier frequency.

Correct Answer 407MHz Your Answer 407MHz

Multiple Choice Single Answer Question Which organisation has developed much of the original standards? Correct Answer IEEE Your Answer ISO

Multiple Choice Single Answer Question For controlling and managing interfaces of Frame Relay Protocol used is :- Correct Answer LMI Your Answer FRAD

Multiple Choice Multiple Answer Question A spanning tree bridge :- Correct Answer Has no loops , Creates logical topology , Uses BPDU Your Answer Creates logical topology , Uses BPDU

Select The Blank Question In IPv6 only ________ can fragment. Correct Answer Original source Your Answer Original source

Multiple Choice Multiple Answer Question HDLC supports :- Correct Answer Half duplex communication , Full duplex communication , ARQ mechanisms Your Answer Half duplex communication , Full duplex communication

Select The Blank Question The important functions that UDP perform is ________. Correct Answer Process-to-process communication Your Answer Node-to-node communication

Multiple Choice Single Answer Question Which of the following connects LAN to WAN? Correct Answer A network gateway Your Answer A network bridge

Multiple Choice Single Answer Question MAC is :- Correct Answer A method of determining which device has access to the transmission medium at any time Your Answer A method of determining which device has access to the transmission medium at any time

Select The Blank Question In 100BaseT4 ________ is used as transmission media. Correct Answer Twisted pair cable Your Answer Fiber optic cable

Multiple Choice Single Answer Question The portion of IP address that identifies the host or router on the network is called as :- Correct Answer Hostid Your Answer Hostid

Multiple Choice Multiple Answer Question In first two layers of LAN are :- Correct Answer Bridges operate , Two layer switches operate Your Answer Hubs operate , Two layer switches operate

Multiple Choice Multiple Answer Question Twisted pair cables are preferred when :- Correct Answer The LAN is under cost constraint , Relatively easy installation is need Your Answer The LAN is under cost constraint , Relatively easy installation is need , Network is small

True/False Question Application programs as well as all protocol software from the internet layer upward use only IP address. Correct Answer TRUE Your Answer FALSE

Select The Blank Question ICMP always reports ________ to the original source. Correct Answer Error message Your Answer Error message

True/False Question Border Gateway Protocol (BGP) is an interautonomous routing protocol. Correct Answer TRUE Your Answer TRUE

Multiple Choice Single Answer Question Which of the following connects LAN to another of the same type? Correct Answer A network bridge Your Answer A network bridge

Select The Blank Question In 100BaseX ________ bits of data is received from network interface card. Correct Answer 8 Your Answer 64

Select The Blank Question As frequency increases, the period________. Correct Answer Decreases Your Answer Increases

Select The Blank Question In ATM, ________ is designed to support a data stream of variable data rate. Correct Answer AAL2 Your Answer AAL3/4

True/False Question In OSI network architecture the dialogue control and token management are responsibilities of session layer. Correct Answer TRUE Your Answer TRUE

True/False Question Repeater operates in physical layer. Correct Answer TRUE Your Answer TRUE

True/False Question The root bridge has largest ID. Correct Answer FALSE Your Answer TRUE

Multiple Choice Multiple Answer Question X.25 uses :- Correct Answer Packet assembler/disassembler , Packet switched network , Access lines to public data networks Your Answer Packet assembler/disassembler , Packet switched network , A cell switched network

True/False Question A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as bridge. Correct Answer FALSE Your Answer FALSE

True/False Question Devices on one network can communicate with devices on one another network via a utility server. Correct Answer FALSE Your Answer TRUE

Multiple Choice Single Answer Question Which of the following is not a part of UDP user datagram? Correct Answer Preamble Your Answer Source post address

Multiple Choice Multiple Answer Question A token passing network :- Correct Answer Provide access to the network by only one station at a time , Can provide access only to the station which is having token , Can be either ring or bus network Your Answer Provide access to the network by only one station at a time , Can provide access

only to the station which is having token , Can be either ring or bus network

Multiple Choice Single Answer Question Repeater operates in :- Correct Answer Physical layer Your Answer Physical layer

Multiple Choice Multiple Answer Question Broadcasting methods are :- Correct Answer Multidestination routing , Reverse path forwarding , Flooding Your Answer Flooding , Multidestination routing , Reverse path forwarding

Multiple Choice Multiple Answer Question A data terminal serves as :- Correct Answer Effecter , Sensor Your Answer Sensor , Transmitter , Modulator

True/False Question Data rate of fast Ethernet is 100 Mbps. Correct Answer TRUE Your Answer TRUE

Multiple Choice Single Answer Question A device that can convert digital signals to analog signals is :- Correct Answer A modem Your Answer A modem

Multiple Choice Multiple Answer Question The adaptive routing types are :- Correct Answer Isolated adaptive routing , Centralized adaptive routing , Distributed adaptive routing Your Answer Centralized adaptive routing , Distributed adaptive routing

Multiple Choice Single Answer Question The available BW is divided into bands is :- Correct Answer FDMA Your Answer TDMA

True/False Question Gateway allows devices on one network to communicate with devices on another network. Correct Answer TRUE Your Answer TRUE

Match The FollowingQuestion Correct Answer Your AnswerFull - duplex Simultaneous transmission in both directions Simultaneous transmission in both directions

Modem Modulator Demodulator Modulator DemodulatorBit Binary digit Binary digitSynchronous communication efficiencyHigh

High

Select The Blank Question In ________ multiple frames can be in transit at the same time. If there is an error only the unacknowledged frame is retransmitted. Correct Answer Selective repeat ARQ Your Answer HDLC

True/False Question UDP is a connectionless, unreliable protocol. Correct Answer TRUE Your Answer TRUE

Multiple Choice Single Answer Question CCITT.V series standards relate primarily to which area of data communication ? Correct Answer Asynchronous communication Your Answer Wide area network

Multiple Choice Single Answer Question The datagram approach of packet switching is used in :- Correct Answer Network layer Your Answer Physical layer

Multiple Choice Multiple Answer Question Serial transmission can be :- Correct Answer Synchronous , Asynchronous Your Answer Synchronous , Asynchronous

Multiple Choice Single Answer Question The data unit in TCP is called as :- Correct Answer Segment Your Answer Datagram

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The Blank Question The medium that permits the highest data rate is ________. Correct Answer Fiber optic cable Your Answer Microwave Multiple Choice Multiple Answer Question Error correction and detection in OSI model is done by :- Correct Answer Data link Layer , Transport Layer Your Answer Transport Layer , Data link Layer

Multiple Choice Single Answer Question Which organisation has developed much of the original standards? Correct Answer IEEE Your Answer ISO True/False Question Ethernet uses CSMA/CA access protocol. Correct Answer False Your Answer True Select The Blank Question The virtual path identifier (VPI) of user to network interface (UNI) is ________ bits in length. Correct Answer 8 Your Answer 16 Multiple Choice Single Answer Question In a switching method, each packet of a message need not follow the same path from transmitter to receiver, this method is :- Correct Answer Virtual circuit packet switching Your Answer Virtual circuit packet switching Multiple Choice Multiple Answer Question TCP connection establishment uses :- Correct Answer Three way handshake , Full duplex mode Your Answer Two way handshake , Three way handshake True/False Question The session layer takes the communication service of the transport layer and adds application -oriented functions. Correct Answer True Your Answer True Multiple Choice Single Answer Question The main standards relating to Ethernet networks are :- Correct Answer IEEE 802.2 and IEEE 802.3 Your Answer IEEE 802.2 and IEEE 802.3 True/False Question Frame Relay does not provide flow control or error control, they must be provided by upper layer protocols. Correct Answer True Your Answer False True/False Question The bridge can access MAC address. Correct Answer True Your Answer True Select The Blank

Question As frequency increases, the period________. Correct Answer Decreases Your Answer Decreases Multiple Choice Multiple Answer Question IEEE 802.11 architecture supports :- Correct Answer Basic Service Set (BSS) , Extended Service Set (ESS) Your Answer Basic Service Set (BSS) , Extended Service Set (ESS) , Modular Set True/False Question The main purpose of a data link content monitor detect problems in protocols. Correct Answer True Your Answer False Select The Blank Question A data packet is a packet header together with ________. Correct Answer User data Your Answer User data Multiple Choice Multiple Answer Question Backbone network is suited for :- Correct Answer Different building in a campus , Within multiple floor buildings Your Answer Offices within city , Offices within country Select The Blank Question The longest transmission distance can be achieved with ________. Correct Answer Fiber optic cable Your Answer Microwave Multiple Choice Multiple Answer Question The types of Internet Group Management Protocol (IGMP) message are :- Correct Answer Leave Report , Membership Report , Query Your Answer Leave Report , Membership Report , Query Multiple Choice Multiple Answer Question Digital transmission is possible in :- Correct Answer Serial mode , Parallel mode Your Answer Serial mode , Parallel mode , Sequential mode Multiple Choice Single Answer Question In Permanent Virtual Circuit (PVC), the connection between source and destination is set up :- Correct Answer Permanently Your Answer Permanently Select The Blank

Question The ________ field is used to order packets of a message. Correct Answer Sequence number Your Answer Sequence number Multiple Choice Multiple Answer Question Virtual circuit frame used in Frame Relay :- Correct Answer Switched virtual circuit (SVC) , Permanent Virtual Circuit (PVC) , Multicast Virtual Circuit (MVC) Your Answer Switched virtual circuit (SVC) , Permanent Virtual Circuit (PVC) Multiple Choice Single Answer Question Which of the following connects LAN to WAN? Correct Answer A network gateway Your Answer A network gateway Select The Blank Question In Ethernet LAN ________ are the destination address. Correct Answer Multicast and broadcast Your Answer Broadcast True/False Question A repeater connects two LANs of different protocols. Correct Answer False Your Answer False Match The FollowingQuestion Correct Answer Your Answer

Multiplexing FDM FDM

Bounded Media Fiber optic cable Modem



Multiple Choice Multiple Answer Question Transport layer duties are :- Correct Answer Packetizing , Connection control , Addressing Your Answer Packetizing , Connection control , Delivery Multiple Choice Single Answer Question Which layer in the Ethernet standard communicates with the OSI network layer? Correct Answer LLC Your Answer MAC Multiple Choice Single Answer Question The next generation IP (IPv6) has address of :-

Correct Answer 16 bytes Your Answer 16 bytes Multiple Choice Multiple Answer Question Routers used in OSPF :- Correct Answer Area border router , Backbone router , Autonomous system boundry router (ASBR) Your Answer Area border router , Backbone router , Autonomous system boundry router (ASBR) True/False Question Devices on one network can communicate with device on another network via a gateway. Correct Answer True Your Answer True Multiple Choice Single Answer Question Internet protocol is a :- Correct Answer Host-to-host delivery network layer protocol Your Answer Host-to-host delivery network layer protocol Select The Blank Question In ________ transmission, the channel capacity is shared by both communicating devices at all times. Correct Answer Full-duplex Your Answer Full-duplex Multiple Choice Single Answer Question The primary function of a bridge is to :- Correct Answer Interconnect two LANs Your Answer Interconnect two LANs True/False Question A local area network connects distance computers. Correct Answer False Your Answer False Select The Blank Question In ATM, ________ is designed to support a data stream of variable data rate. Correct Answer AAL2 Your Answer AAL2 Multiple Choice Single Answer Question The communication mode that supports data in both direction at the same time is :- Correct Answer Full -duplex Your Answer Full -duplex True/False Question ATM can handle real time transmission. Correct Answer True Your Answer True

Select The Blank Question The virtual path identifier (VPI) of an network to network interface (NNI) is ________ bits in length. Correct Answer 12 Your Answer 8 True/False Question The transport layer provides for any format, translationer code conversion necessary to put the data into an intelligible format. Correct Answer False Your Answer False Match The FollowingQuestion Correct Answer Your Answer




Synchronous communication efficiencyHighBand width of the medium

Select The Blank Question IPv6 allows ________ addressing. Correct Answer Classless Your Answer Classless Multiple Choice Single Answer Question X.21 is :- Correct Answer Network access standard for connecting stations to a circuit-switched network Your Answer Network access standard for connecting stations to a circuit-switched network Multiple Choice Multiple Answer Question Terms used to describe digital signal are :- Correct Answer Bit rate , Bit interval Your Answer Bit rate , Bit interval , Band rate Multiple Choice Single Answer Question Which of the following connects LAN to another of the same type? Correct Answer A network bridge Your Answer A network bridge Multiple Choice Single Answer Question Which of the following connects LAN to a WAN? Correct Answer A network gateway Your Answer A network gateway

Multiple Choice Multiple Answer Question A virtual connections identified by:- Correct Answer VPI , VCI , Combination of VPI and VCI Your Answer VPI , VCI , Combination of VPI and VCI

LIST OF ATTEMPTED QUESTIONS AND ANSWERS True/False Question Application programs as well as all protocol software from the internet layer upward use only IP address. Correct Answer True Your Answer False Multiple Choice Single Answer Question Supernetting is :- Correct Answer A process of combining several network into large one Your Answer A process of combining several network into large one Multiple Choice Multiple Answer Question Media does transmit data in current wave form :- Correct Answer Coaxial cable , Twisted pair cable , Unshielded twisted pair cable Your Answer Coaxial cable , Twisted pair cable , Unshielded twisted pair cable True/False Question The Transreceiver in fast Ethernet is called PHY Sub-layer. Correct Answer True Your Answer True True/False Question The general area of data communications encompasses tele-communications. Correct Answer False Your Answer True Multiple Choice Multiple Answer Question Transport layer duties are :- Correct Answer Packetizing , Connection control , Addressing Your Answer Packetizing , Connection control , Addressing Multiple Choice Single Answer Question The layer lies between the network layer and the session layer is :- Correct Answer Transport layer Your Answer Transport layer Multiple Choice Single Answer

Question Routing Information Protocol (RIP) is based on :- Correct Answer Distance vector routing Your Answer Distance vector routing Multiple Choice Single Answer Question Peer to peer communication involves:- Correct Answer Computers to share information over a network Your Answer Interconnection of computer which have the operating system Multiple Choice Multiple Answer Question Error correction and detection in OSI model is done by :- Correct Answer Data link Layer , Transport Layer Your Answer Data link Layer , Transport Layer Multiple Choice Multiple Answer Question Channelization protocols are :- Correct Answer CDMA , FDMA , TDMA Your Answer TDMA , CDMA , FDMA Select The Blank Question Data link layer is responsible for transmitting ________ from one node to other. Correct Answer Frames Your Answer Frames Multiple Choice Multiple Answer Question Three sets of protocols are defined for making PPP a powerful protocol :- Correct Answer Link control protocol (LCP) , Authentication protocol , Network control protocol (NCP) Your Answer Link control protocol (LCP) , Authentication protocol , Network control protocol (NCP) Multiple Choice Multiple Answer Question Eavesdropping exists in :- Correct Answer Coaxial cable , Shielded twisted pair cable , Unshielded twisted pair cable Your Answer Coaxial cable , Unshielded twisted pair cable True/False Question The communication mode that supports two-way traffic but only one direction at a time is known as half duplex. Correct Answer True Your Answer True Match The FollowingQuestion Correct Answer Your Answer



Bit Binary digit Binary digit


Multiple Choice Multiple Answer Question Categories of traditional Ethernet are :- Correct Answer 10Base 5 , 10Base 2 , 10Base T Your Answer 10Base 5 , 10Base T , 10Base X Multiple Choice Single Answer Question Sending a file from your personal computer's primary memory or disk to another computer is called :- Correct Answer Uploading Your Answer Uploading Select The Blank Question A ________ is the physical connection between an end point and a switch or between two switches. Correct Answer Transmission path Your Answer Transmission path Multiple Choice Single Answer Question The portion of IP address that identifies the host or router on the network is called as :- Correct Answer Hostid Your Answer Netid Multiple Choice Single Answer Question Each station is assigned a unique code in :- Correct Answer CDMA Your Answer CDMA Multiple Choice Single Answer Question The total length of IP datagram including header is :- Correct Answer 65,535 bytes Your Answer 65,535 bytes True/False Question For multicasting between two non contiguous multicast routers, a multicast backbone (MBONE) is used to enable tunneling. Correct Answer True Your Answer True True/False Question The 5-7 digits are known as the country code of the Network User Address (NUA) Correct Answer False Your Answer True

True/False Question Modem is used for modulation and demodulation. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question The functions of ATM layers are :- Correct Answer Routing , Switching , Multiplexing Your Answer Routing , Switching , Multiplexing Multiple Choice Single Answer Question Which of the following condition is used to transmit two packets over a medium at the same time? Correct Answer Collision Your Answer Synchronous Match The FollowingQuestion Correct Answer Your Answer

Digital Transmission Data transmission from hard disk to memory Door-Darshan transmission

Simplex Common in one direction onlyCommon in one direction only

Duplex Common in both direction onlyCommon in both direction only

Analog Transmission Door-Darshan transmission More noise

Multiple Choice Single Answer Question Which of the following connects LAN to another of the same type? Correct Answer A network bridge Your Answer A network bridge Select The Blank Question ATM defines ________ versions of application adaptation Layer(AAL). Correct Answer Four Your Answer Five True/False Question A modem is only capable of modulation. Correct Answer False Your Answer False Multiple Choice Single Answer Question A transparent bridge has a problem of :- Correct Answer Loop Your Answer Loop

Select The Blank Question In ________ multiple frames can be in transit at the same time. If there is an error only the unacknowledged frame is retransmitted. Correct Answer Selective repeat ARQ Your Answer Selective repeat ARQ Select The Blank Question Ethernet uses ________ access method. Correct Answer I - persistent CSMA/CD Your Answer I - persistent CSMA/CD Multiple Choice Multiple Answer Question A transport layer :- Correct Answer Gives service to Application layer , Receives Service from Network layer Your Answer Gives service to Application layer , Receives Service from Network layer Multiple Choice Single Answer Question Repeater operates in :- Correct Answer Physical layer Your Answer Physical layer Multiple Choice Single Answer Question Which of the following connects LAN to a WAN? Correct Answer A network gateway Your Answer A network gateway Multiple Choice Single Answer Question Which organisation has developed much of the original standards? Correct Answer IEEE Your Answer IEEE Multiple Choice Single Answer Question The identifier used for data transfer is :- Correct Answer Virtual circuit identifier (VCI) Your Answer Packet identifier Select The Blank Question The ________ layer is responsible for process-to-process delivery. Correct Answer Transport Your Answer Transport True/False Question The transport layer is responsible for process-to-process delivery. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question In fast Ethernet functions of autonegotiation are :- Correct Answer To allow incompatible devices to one other , To allow one device to have multiple

capability , To allow station to check hub's capability Your Answer To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability Multiple Choice Single Answer Question Which layer in the Ethernet standard communicates with the OSI network layer? Correct Answer LLC Your Answer LLC Select The Blank Question The Frame Relay committed Information Rate represents________. Correct Answer The minimum data rate on the network Your Answer The minimum data rate on the network True/False Question A device that can convert digital signals to analog signals is a packet. Correct Answer False Your Answer False Multiple Choice Single Answer Question Which of the following connects LAN to WAN? Correct Answer A network gateway Your Answer A network gateway Multiple Choice Single Answer Question The main standards relating to Ethernet networks are :- Correct Answer IEEE 802.2 and IEEE 802.3 Your Answer IEEE 802.2 and IEEE 802.3

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question What acts as an interface between a NAS and network client ? Correct Answer NAC Box Your Answer NAC Box Multiple Choice Multiple Answer Question Integrated cameras are available in : Correct Answer Mobile Phones , PDA's , Webcams Your Answer Mobile Phones , PDA's Multiple Choice Multiple Answer Question I want to setup a network in my computer lab suggest some key considerations before setting up.

Correct Answer Easy Installation , Growth , Distance Your Answer Easy Installation , Growth , Distance Multiple Choice Multiple Answer Question Select the minimum and maximum value for an octet in a 32 bit IP address: Correct Answer 0 , 255 Your Answer 0 , 255 Multiple Choice Single Answer Question What should be done to increase the exposure and vulnerability of a computer ? Correct Answer Connect to net Your Answer Increase RAM True/False Question Software can be installed on the client computer to take advantage of the latest access technology. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question In an business unit a network usually comprises of : Correct Answer File Server , Print Server , Application Server Your Answer File Server , Print Server , Application Server Multiple Choice Multiple Answer Question Select the examples of a java applet Correct Answer News feeds , Moving images , Interactive visual display Your Answer News feeds , Moving images , Interactive visual display Select The Blank Question In ________ all entities are known and access is closely monitored. Correct Answer Local area network Your Answer Local area network Select The Blank Question ________ regulates the process of sending data between slow sender and fast reciever. Correct Answer Flow Control Your Answer Flow Control Multiple Choice Multiple Answer Question The NIC is attached to the computer's expansion bus via Correct Answer ISA slot , PCI slot Your Answer ISA slot , PCI slot Multiple Choice Multiple Answer

Question An outside intruder can easily perform the following tasks : Correct Answer Share a drive , Email information outside , Place file on external FTP Your Answer Share a drive , Email information outside , Place file on external FTP Multiple Choice Single Answer Question The main objective of media access method is to prevent data packets from: Correct Answer Colliding Your Answer Colliding Multiple Choice Single Answer Question A popular media access method used to handle collisions on a network is : Correct Answer CSMA/CD Your Answer CSMA/CD

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question What acts as an interface between a NAS and network client ? Correct Answer NAC Box Your Answer NAC Box Multiple Choice Multiple Answer Question Integrated cameras are available in : Correct Answer Mobile Phones , PDA's , Webcams Your Answer PDA's , Mobile Phones Multiple Choice Multiple Answer Question Every flowchart must have proper Correct Answer Start , Process Your Answer Start , Data , Process Multiple Choice Single Answer Question Data in an organisation can be transmitted from one department/ computer to another with the help of a : Correct Answer Media Your Answer Media Multiple Choice Multiple Answer Question File server use network operating systems such as : Correct Answer Nowell Netware , UNIX , Microsoft Windows Your Answer Nowell Netware , UNIX , Microsoft Windows True/False Question It is not possible to expand a network once the setup is complete. Correct Answer False Your Answer False

True/False Question Output devices can be classified into softcopies and hardcopies. Correct Answer True Your Answer True Select The Blank Question The transmitting computer sends a ________ prior to transmission in CSMA/CA media access method. Correct Answer Request Your Answer Request Select The Blank Question The file over the internet is downloaded to ________ machine. Correct Answer Client Your Answer Host Select The Blank Question Parallel ports use a ________ pin connector to connect to the computer. Correct Answer 25 Your Answer 25 Multiple Choice Single Answer Question MIS as a function should be flexible enough to respond to :- Correct Answer Changing environment. Your Answer Changing environment. Select The Blank Question ________ controls the work stations in a demand priority media access method. Correct Answer Active Hub Your Answer Active Hub Multiple Choice Single Answer Question Which modems are prefered in VoIP computer to computer connection ? Correct Answer DSL Your Answer Standard Multiple Choice Multiple Answer Question List down the basic network topologies available for Implementation: Correct Answer Bus , Star , Ring Your Answer Bus , Star , Ring True/False Question IP routing protocol are dynamic protocol. Correct Answer False Your Answer True Select The Blank Question The HUB is a center of ________ topology. Correct Answer Star Your Answer Star

Multiple Choice Multiple Answer Question If a person wants to transmit data what are the two basic type of channels available to him ? Correct Answer Guided Media , Radiated Media Your Answer Guided Media , Radiated Media Multiple Choice Single Answer Question The overlapping of signals over a network is referred as : Correct Answer Collision Your Answer Collision Multiple Choice Single Answer Question A a network design which is widely spread over a geographical area and is usually cluster of networks is Correct Answer WAN Your Answer WAN Select The Blank Question Internet's greatest asset is its ________ over the net. Correct Answer Openness Your Answer Openness Match The FollowingQuestion Correct Answer Your Answer

Asynchronous Transmission E-Mails E-Mails

Serial Communication 1 Bit at a time 1 Bit at a time

Parallel Communication 1 Byte at a time 1 Byte at a time

Synchronous Transmission Telephonic Conversation Telephonic Conversation

True/False Question Storage area network are configured to provide access to one server. Correct Answer False Your Answer False Match The FollowingQuestion Correct Answer Your Answer

Information processing Information system planning Information system planning

Logistics Distribution Distribution

PersonnelSalary administration Salary administration

Finance Cost analysis Cost analysis

Multiple Choice Single Answer Question A combination of human and computer based resources which result in collection and use of data for purpose of efficient management and business planning is known as :- Correct Answer Management information system. Your Answer Management information system. Select The Blank Question ________ is used to get information in black and white form on a paper. Correct Answer Printer Your Answer Plotter Multiple Choice Multiple Answer Question Select the type of communications that can occur in real-time on the web. Correct Answer Text , Audio , Video Your Answer Audio , Video Multiple Choice Multiple Answer Question I want to setup a network in my computer lab suggest some key considerations before setting up. Correct Answer Easy Installation , Growth , Distance Your Answer Easy Installation , Growth , Distance Multiple Choice Multiple Answer Question Select the minimum and maximum value for an octet in a 32 bit IP address: Correct Answer 0 , 255 Your Answer 0 , 255 Multiple Choice Single Answer Question What should be done to increase the exposure and vulnerability of a computer ? Correct Answer Connect to net Your Answer Increase RAM True/False Question Software can be installed on the client computer to take advantage of the latest access technology. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question In an business unit a network usually comprises of : Correct Answer File Server , Print Server , Application Server Your Answer File Server , Print Server , Application Server Multiple Choice Multiple Answer

Question Select the examples of a java applet Correct Answer News feeds , Moving images , Interactive visual display Your Answer News feeds , Moving images , Interactive visual display Select The Blank Question In ________ all entities are known and access is closely monitored. Correct Answer Local area network Your Answer Local area network Select The Blank Question ________ regulates the process of sending data between slow sender and fast reciever. Correct Answer Flow Control Your Answer Flow Control Multiple Choice Multiple Answer Question The NIC is attached to the computer's expansion bus via Correct Answer ISA slot , PCI slot Your Answer ISA slot , PCI slot Multiple Choice Multiple Answer Question An outside intruder can easily perform the following tasks : Correct Answer Share a drive , Email information outside , Place file on external FTP Your Answer Share a drive , Email information outside , Place file on external FTP Multiple Choice Single Answer Question The main objective of media access method is to prevent data packets from: Correct Answer Colliding Your Answer Colliding Multiple Choice Single Answer Question A popular media access method used to handle collisions on a network is : Correct Answer CSMA/CD Your Answer CSMA/CD True/False Question Analog signal is measured in volts and its frequency in hertz. Correct Answer False Your Answer False Multiple Choice Single Answer Question OAS is the short form of :- Correct Answer Office Automation System. Your Answer Open Access System. True/False Question Peer to Peer networking is also referred as workgroup Correct Answer True Your Answer True

Multiple Choice Single Answer Question It is necessary to use packect based multiplexing system when the networking setup is desgined for : Correct Answer Multiple User Your Answer Multiple User True/False Question The parity bit can be an even or odd parity. Correct Answer True Your Answer True True/False Question JAVA is a programming language created by Microsoft. Correct Answer False Your Answer False Multiple Choice Single Answer Question What technique is used for inserting extra data to encode reserved bytes ? Correct Answer Data stuffing Your Answer Data stuffing Select The Blank Question Your current landline phone works on ________ power. Correct Answer Phantom Your Answer Analog Multiple Choice Single Answer Question When communication takes place in one direction it is called : Correct Answer Simplex Mode Your Answer Simplex Mode

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question Which computer is accessible to only people who can gain physical access to it ? Correct Answer Disconnected Your Answer Connected True/False Question Each email user has a mailbox address just like home address. Correct Answer True Your Answer False True/False Question Data is a collection of hardware devices attached to a computer. Correct Answer False Your Answer False

Multiple Choice Single Answer Question It is a network security issue, when sensitive information about the organization is send to: Correct Answer Competitors Your Answer Employees Multiple Choice Single Answer Question In order to maintain signal integrity what is to be added around data in asynchronised transmission ? Correct Answer Bits Your Answer Bits Select The Blank Question A single hypetext document contains links to ________ documents. Correct Answer Many Your Answer One True/False Question We can use a motherboard to connect various external devices. Correct Answer False Your Answer False Select The Blank Question Businesses now a days maintain a large number of ________ documents. Correct Answer Electronic Your Answer Electronic True/False Question In parity checking if external interference introduces an error all the bits will be changed to zero. Correct Answer False Your Answer False Match The FollowingQuestion Correct Answer Your Answer

The Scanner Imaging Imaging

The Keyboard Typing Typing

The Mouse Pointing Pointing

The Printer Printing Printing

Multiple Choice Single Answer Question MIS helps the organization in the process of :- Correct Answer Decision making. Your Answer Decision making. Multiple Choice Single Answer Question If I am using fiber optic cable for communication what is the approx speed of data transfer over a network ? Correct Answer 100 Mbps

Your Answer 100 Mbps Multiple Choice Single Answer Question FINDER operating system is used in which type of computers ? Correct Answer Macintosh Computers Your Answer Macintosh Computers True/False Question A bar code reader is commonly used in grocery shops. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question A packet sniffer can provide its user with sensitive information, such as : Correct Answer User account name , Password , Database information Your Answer User account name , Password Multiple Choice Single Answer Question MIS always refers to :- Correct Answer Computer system and manual system. Your Answer Always manual information. Select The Blank Question Charles Babbage was a professor of ________ in a British University who gave the design of the computer. Correct Answer Mathamatics Your Answer Hardware Select The Blank Question Light emitting diodes(LED) is used as a ________ device by computer engineers. Correct Answer Output Your Answer Output Select The Blank Question A Network topology is majorly concerned with the ________ arrangement of computers in a network. Correct Answer Physical Your Answer Physical Multiple Choice Single Answer Question A technique in which a certain set of predefined symbols are used to represent the flow of data is known as Correct Answer Flowcharting Your Answer Flowcharting Select The Blank Question A computer is used to convert raw data into ________. Correct Answer Information Your Answer Information Multiple Choice Single Answer

Question The backbone of any organization is :- Correct Answer Information Your Answer Information Select The Blank Question Fiber optic cable does not generate ________ type of signals. Correct Answer Electromagnetic Your Answer Electromagnetic True/False Question All protocols are not available over the internet. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question The three ways of managing calls over VoIP are : Correct Answer ATA , IP phones , Computer-to-Computer Your Answer ATA , IP phones , Computer-to-Computer Multiple Choice Multiple Answer Question Advantages of sub-networks to the network administrator are : Correct Answer Flexibility & efficiency , Expansion , Broadcasting Your Answer Flexibility & efficiency , Expansion Select The Blank Question IP phones have a ________ connector. Correct Answer RJ-45 Your Answer RJ-45 Select The Blank Question ________ software enables one computer to communicate with other computer. Correct Answer Protocol Your Answer Protocol Multiple Choice Single Answer Question Usenet is a set of computers that exchange articles from the discussion forums called Correct Answer Newsgroup Your Answer Newsgroup Match The FollowingQuestion Correct Answer Your Answer

Third Generation IC Floppy

Forth Generation MicroChip MicroChip

First Generation Vaccume Tubes Vaccume Tubes

Second Generation Transistors Magnetic Tape

Multiple Choice Multiple Answer Question A systematic representation of the problem under consideration usually invokes an healthy dialog between the programmer(s) and business managers this is best exhibited by Correct Answer Flowchart , Algorithm Your Answer Flowchart , Algorithm True/False Question I will use fiber optic cable to setup a network between my drawing room and bed room computers. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question Packets of data that is transmitted over the network from one computer to another consists of : Correct Answer Addressing Bits , Error Detection Bits , Sequencing Bits Your Answer Addressing Bits Multiple Choice Multiple Answer Question In an organization data is the sensitive and critical component the network administrators accumulate data on a Correct Answer Centralized Server , Shared Server Your Answer Centralized Server Multiple Choice Single Answer Question What element or technlogy is used to write / read data on a CD / DVD ? Correct Answer Laser Light Your Answer Heads Multiple Choice Single Answer Question Error detecting and recovering is one of the main function of which software ? Correct Answer Data Communication Your Answer Application Multiple Choice Multiple Answer Question Limitations of VoIP are Correct Answer Latency , Jitter , Packet loss Your Answer Latency , Jitter Multiple Choice Multiple Answer Question When a ring topology is configured on a network it usually ? Correct Answer Involves high cost , Complex in nature , Difficult to trouble shoot Your Answer Involves high cost , Difficult to trouble shoot Multiple Choice Multiple Answer

Question The organisation has decided to setup a computer network by using guided media of transmission what type of cables are available in the market ? Correct Answer Twisted Pair-Wire , Coaxial Cable , Fiber Optic Cable Your Answer Twisted Pair-Wire , Coaxial Cable , Fiber Optic Cable Multiple Choice Multiple Answer Question A Java program runs equally well on which platforms without any additional programming. Correct Answer PC , Macintosh , UNIX Your Answer Macintosh , UNIX Multiple Choice Single Answer Question What denotes the hierarchy of an organization? Correct Answer Organization structure. Your Answer Organization structure. Multiple Choice Single Answer Question A group of individuals or a work group from the same building is connected with each other to work with ease and share network resources, it is said to be as Correct Answer Local Area Network Your Answer Local Area Network True/False Question LAN is generally owned by a consortium users. Correct Answer False Your Answer True Multiple Choice Single Answer Question Windows operating system is based on: Correct Answer GUI Your Answer GUI Multiple Choice Multiple Answer Question Transmission errors are corrected using : Correct Answer Parity checking , Checksum method Your Answer Parity checking , Checksum method Multiple Choice Multiple Answer Question A Network usually provides Correct Answer Ability to share , Ability to communicate Your Answer Ability to share , Ability to communicate True/False Question A given network address can be broken up into many sub-networks. Correct Answer True Your Answer False

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The Blank Question If an application is run in client mode ________ information is sent across the network in clear text. Correct Answer Authentic Your Answer Hardware Multiple Choice Single Answer Question What is used to write data on a optical magnetic device ? Correct Answer Focused Optical Beam Your Answer Focused Optical Beam True/False Question RJ-45 connectors are used in unshieled twisted pair cables. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Units to store and measure data in computers : Correct Answer Kilobyte , Gigabyte , Megabyte Your Answer Kilobyte , Gigabyte , Megabyte Select The Blank Question Heavy data traffic will lead to grater number of collisions and ________ in a network. Correct Answer Retransmissions Your Answer Retransmissions Multiple Choice Single Answer Question Transistors and IC's use : Correct Answer Dynamic Memory Your Answer Dynamic Memory Multiple Choice Multiple Answer Question Two types of HUB are Correct Answer Active , Passive Your Answer Active , Passive Multiple Choice Multiple Answer Question Password attacks can be implemented using which methods : Correct Answer Brute-force attack , Trojan-horse program Your Answer Brute-force attack , Trojan-horse program True/False Question A program flowchart can be considered as a blue print of the program to be finally developed. Correct Answer True Your Answer True

Multiple Choice Single Answer Question OSI standards allow hardware and software components from a variety of vendors to: Correct Answer Operate together Your Answer Operate together Multiple Choice Multiple Answer Question A bridge in a network is responsible for Correct Answer Linking dissimilar networks , Linking segments of the network together , Filtering traffic by reading packet addresses Your Answer Linking segments of the network together , Filtering traffic by reading packet addresses , Linking dissimilar networks Multiple Choice Multiple Answer Question The two most commonly attached protocols with NAS are : Correct Answer Sun Network File System , Common Internet File System Your Answer Sun Network File System , Common Internet File System Multiple Choice Multiple Answer Question Manufacturing as a functional sub - system will have the following functions :- Correct Answer Cost control analysis. , Sales forecasts. , Sales planning. Your Answer Cost control analysis. , Production planning and scheduling. Multiple Choice Multiple Answer Question SAN architecture makes it possible to relocate various activities such as : Correct Answer Backup , Restore , File migration Your Answer Backup , Restore , File migration True/False Question A Hub receives signals for one port and sends them out to all the other ports. Correct Answer True Your Answer True Multiple Choice Single Answer Question Standardization of HTML over the web is done by Correct Answer W3C Your Answer W3C Multiple Choice Multiple Answer Question Choose the items that belong to the group of OS. Correct Answer Linux , Windows , Unix Your Answer Linux , Windows , Unix Select The Blank

Question Laser printers use ________ source to produce an image on photosensitive drum. Correct Answer Light Your Answer Light Multiple Choice Multiple Answer Question Finance and accounting would be responsible for :- Correct Answer Financial analysis. , Cost analysis. Your Answer Financial analysis. , Salary and incentives. , Cost analysis. Multiple Choice Single Answer Question A central connector in a token ring topology is a : Correct Answer Multistation Access Unit Your Answer Multistation Access Unit Select The Blank Question A ________ type of a network serves similar role as that of a Internet Service Providers. Correct Answer MAN Your Answer MAN True/False Question A switch has an ability to determine the destination of a packet sent over the network. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question The strategic planning which is an activities sub - system would be responsible for :- Correct Answer Formulation of objectives. , Formulation of strategic plans. Your Answer Formulation of objectives. , Formulation of budgets. , Formulation of strategic plans. Select The Blank Question A ________ is used to connect a network cable to form communication channel on a network. Correct Answer Network Interface Card Your Answer Network Interface Card Match The FollowingQuestion Correct Answer Your Answer





Match The FollowingQuestion Correct Answer Your Answer

RAM Random Access Memory Complex Instruction Set Computer

CISC Complex Instruction Set ComputerComplex Instruction Set Computer

RISC Reduced Instruction Set ComputerReduced Instruction Set Computer

DSP Digital Signal Processing Digital Signal Processing

Multiple Choice Single Answer Question CIFS protocol appear in which package of the UNIX system ? Correct Answer Samba Your Answer Samba Multiple Choice Multiple Answer Question A mouse is used to perform functions such as: Correct Answer Click , Select , Drag and Drop Your Answer Click , Select , Drag and Drop Select The Blank Question In a ________ network configuration there is no dedicated server. Correct Answer Peer to Peer Networking Your Answer Peer to Peer Networking True/False Question VoIP is likely to take over the traditional phone system. Correct Answer True Your Answer True Select The Blank Question Flowcharts usually help the programmers to establish healthy communication channel with the ________. Correct Answer Business Managers Your Answer Business Managers Multiple Choice Single Answer Question The basic function performed by a HUB is to receive and transmit Correct Answer Signals Your Answer Signals Multiple Choice Multiple Answer Question Usually the business organization share their information between sites and their business partners using Correct Answer Extranet , Intranet Your Answer Intranet , SecureNet , Business Web

Multiple Choice Single Answer Question External web pages can be tracked using : Correct Answer Proxy server Your Answer Proxy server True/False Question Function keys are programmable and their functionality differ from s/w to s/w. Correct Answer True Your Answer True Select The Blank Question Large number of shorter data frames can be best transmitted through ________ media access method. Correct Answer Token passing Your Answer Token passing True/False Question IP address has specific components and follow a specific format. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Which players can be used to play streaming audio and video files ? Correct Answer Windows Media Player , RealPlayer , QuickTime Your Answer Windows Media Player , RealPlayer , QuickTime True/False Question Sometimes flowcharting may result in a complex and clumsy design for large and highly complex program . Correct Answer True Your Answer True True/False Question Files are downloaded on the user computer before displaying on the monitor. Correct Answer True Your Answer False Multiple Choice Single Answer Question A technique which helps the programmers in debugging process is Correct Answer Flowchart Your Answer Compiler Multiple Choice Multiple Answer Question Internet protocols has two basic responsibilities in delivery of data, what are they ? Correct Answer Connectionless , Best-effort Your Answer Connectionless , Best-effort Select The Blank Question A bit-stuffed frame begins and ends with a ________.

Correct Answer Flag Your Answer Escape characters Select The Blank Question The HUB is a center of ________ topology. Correct Answer Star Your Answer Star Multiple Choice Single Answer Question The operation of the web relies on hypertext for Correct Answer Information retrieval Your Answer Multiple access Multiple Choice Single Answer Question What denotes the hierarchy of an organization? Correct Answer Organization structure. Your Answer Organization structure. Select The Blank Question The decision of forwarding the contents of the packet is made by ________ in packet filter firewall. Correct Answer Scanning Your Answer Scanning

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question If I am using fiber optic cable for communication what is the approx speed of data transfer over a network ? Correct Answer 100 Mbps Your Answer 100 Mbps Multiple Choice Multiple Answer Question When configuring a star topology the network designer oftenly makes it easy to : Correct Answer Add new stations , Monitoring issues , Accommodate different design cables Your Answer Monitoring issues , Accommodate different design cables , Add new stations True/False Question The procedure to convert data into information is called processing. Correct Answer True Your Answer True Multiple Choice Single Answer Question The outside insulation minimises the interference between electronic signals passing through the coaxial cable and : Correct Answer Radio frequency Your Answer Radio frequency

Multiple Choice Multiple Answer Question Advantages of NAS over traditional file server are Correct Answer Better security , Less downtime , Low cost Your Answer Better security , Less downtime , Low cost Select The Blank Question A token ring consists of tools and algorithms which are capable of detecting and repairing ________ errors. Correct Answer Network Your Answer Network Select The Blank Question In LCD's a ________ material is placed between two glass plates. Correct Answer Liquid Crystalline Your Answer Liquid Crystalline Multiple Choice Single Answer Question The main objective of media access method is to prevent data packets from: Correct Answer Colliding Your Answer Colliding Multiple Choice Single Answer Question To draw flowcharts one should understand Correct Answer Logical Sequence Your Answer Data Models Select The Blank Question A Network Interface Card is also called as ________. Correct Answer Network Adapter Your Answer Network Adapter Multiple Choice Single Answer Question XML is a mark-up language which enables web designers to create Correct Answer Tags Your Answer Tags True/False Question SCSI is a high level storage protocol. Correct Answer True Your Answer True True/False Question Email makes transmission of business information secure and easier. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Advantages of sub-networks to the network administrator are : Correct Answer Flexibility & efficiency , Expansion , Broadcasting

Your Answer Flexibility & efficiency , Expansion , Broadcasting Multiple Choice Single Answer Question What denotes the hierarchy of an organization? Correct Answer Organization structure. Your Answer Organization structure. Select The Blank Question MICR is capable of reading characters which are written with ________ ink on a bank cheque. Correct Answer Magnetic Your Answer Magnetic True/False Question CSMA/CD works to prevent collision. Correct Answer False Your Answer True Multiple Choice Single Answer Question Microsoft word is a : Correct Answer Word Processor Your Answer Word Processor Select The Blank Question A VPN behaves similar to a ________ network. Correct Answer Private Your Answer Private Multiple Choice Single Answer Question What should be done to increase the exposure and vulnerability of a computer ? Correct Answer Connect to net Your Answer Connect to net True/False Question Output devices can be classified into softcopies and hardcopies. Correct Answer True Your Answer True Select The Blank Question The single interface protocol creates a ________ environment. Correct Answer User friendly Your Answer User friendly Match The FollowingQuestion Correct Answer Your Answer

Information processing Information system planning Distribution

Logistics Distribution Information system planning

PersonnelSalary administration Focus on communication

Finance Cost analysis Salary administration

Select The Blank Question A password attacker can create a ________ for future access to the compromised user account. Correct Answer Back-door Your Answer Software Multiple Choice Multiple Answer Question The different type of email services available are Correct Answer Eudora , Netscape Massenger , Microsoft Outlook Your Answer Eudora , Netscape Massenger , Microsoft Outlook Multiple Choice Multiple Answer Question What are the common methods of attack on your network ? Correct Answer Network packet sniffers , IP spoofing , Password attack Your Answer Network packet sniffers , IP spoofing , Password attack Multiple Choice Single Answer Question Whenever a program is expected to be written for a specific task, what are you expected to first understand and generate ? Correct Answer The Logic of the Program Your Answer The working model Multiple Choice Multiple Answer Question Select the modern equipments available in the market which use ROM (Read Only Memory) to store data. Correct Answer Video Games , ATM's , Microwave Your Answer Video Games , ATM's , Microwave True/False Question Files are downloaded on the user computer before displaying on the monitor. Correct Answer True Your Answer True True/False Question Domain names have been assigned to identify the host computer in countries around the world. Correct Answer True Your Answer False Select The Blank Question If the station possessing the token has information it transmit, it ________ the token. Correct Answer Seizes

Your Answer Seizes True/False Question An Internet is the group of enormous networks. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Blog is a useful tool for Correct Answer Organisation of posts , Archived postings , Notification of posts Your Answer Organisation of posts , Archived postings , Notification of posts Multiple Choice Multiple Answer Question Sharing of resources when we talk about a network it involves Correct Answer Sharing of databases , Sharing of printers , Sharing of disk space Your Answer Sharing of databases , Sharing of printers , Sharing of disk space Multiple Choice Multiple Answer Question Which programming languages are used in extending the capabilities of the web ? Correct Answer XML , Java , DotNET Your Answer XML , Java , DotNET True/False Question Data can be lost if a transmission error is encountered on a network. Correct Answer True Your Answer False Multiple Choice Single Answer Question To implement and configure some of the specialized services on the network one should create and establish: Correct Answer Specialized Server (Proxy etc) Your Answer Network Design Multiple Choice Multiple Answer Question Common media access methods are Correct Answer CSMA , Token passing , Demand priority Your Answer CSMA , Token passing , Demand priority Multiple Choice Single Answer Question In demand priority media access method transmission of data is done on how many pairs of wire ? Correct Answer Four Your Answer Four True/False Question You can attach voice message to your email that is sent over the internet. Correct Answer True Your Answer False

Match The FollowingQuestion Correct Answer Your Answer

Satellite Space orbit Repeater station

Radio Frequency range Frequency range

Infrared Light waves Light waves

Microwave Repeater station Space orbit

Multiple Choice Single Answer Question The ASCII and EBCDIC code of text to be displayed on CRT is stored in : Correct Answer Display RAM Your Answer Display RAM Select The Blank Question Protocols are set of rules that allow for ________ communication over the internet. Correct Answer Inter-machine Your Answer Inter-machine Multiple Choice Multiple Answer Question Password attacks can be implemented using which methods : Correct Answer Brute-force attack , Trojan-horse program Your Answer Brute-force attack , Trojan-horse program , Virus attack Select The Blank Question Central file server use ________ networking topologies to solve storage problems. Correct Answer Client/Server Your Answer Client/Server Select The Blank Question Each node checks the adress on the signal as it passes along the ________ network. Correct Answer Bus Topology Your Answer Ring Topology Multiple Choice Multiple Answer Question Internet control message protocol generates which all types of messages ? Correct Answer Destination unreachable , Time exceeded , Router Solicitation Your Answer Destination unreachable , Time exceeded , Router Solicitation

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The Blank

Question Function keys are used as ________ keys to perform specific pre-defined functions. Correct Answer Shortcut Keys Your Answer Helping Keys True/False Question A bar code reader is commonly used in grocery shops. Correct Answer True Your Answer False Select The Blank Question ________ acts as the interface between the NAS and network client. Correct Answer NAS head Your Answer LAN card True/False Question Data stuffing helps in overcoming problems in data transmission. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question ActiveX allows users to view and edit which type of documents directly on the web page ? Correct Answer Powerpoint presentations , Excel Sheets Your Answer Powerpoint presentations , Excel Sheets , PDF files , Movies Select The Blank Question Laser printers use ________ source to produce an image on photosensitive drum. Correct Answer Light Your Answer Light Match The FollowingQuestion Correct Answer Your Answer

Unknown Networks Internet zoneInternet zone

Local Area Network Organization zoneOrganization zone

Trusted Networks Inside security zoneInside security zone

Un-trusted Networks Outside security zoneOutside security zone

Multiple Choice Multiple Answer Question If the data transmitted is in ASCII code, the frame will consist of : Correct Answer Start of header (soh) , End of transmission (eot) , Data Your Answer Start of header (soh)

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Multiple Answer Question An NIC will be only functional when Correct Answer Connected to a cable , Driver is Loaded and Configured Your Answer Connected to a cable , Driver is Loaded and Configured True/False Question All the clients in a bus topology are connected to a central unit. Correct Answer False Your Answer False Select The Blank Question Overlapping of signals may result in ________ of data. Correct Answer Corruption Your Answer Collision Multiple Choice Multiple Answer Question Before a programmer starts with the actual program writing, it is always better to develop Correct Answer Algorithm , Flowcharts Your Answer Algorithm , Flowcharts Multiple Choice Single Answer Question The main objective of media access method is to prevent data packets from: Correct Answer Colliding Your Answer Colliding Select The Blank Question ________ is the most expensive type of cable available in the market. Correct Answer Fiber Optic Your Answer Fiber Optic Multiple Choice Multiple Answer Question Packets of data that is transmitted over the network from one computer to another consists of : Correct Answer Addressing Bits , Error Detection Bits , Sequencing Bits Your Answer Addressing Bits , Error Detection Bits , Sequencing Bits Multiple Choice Multiple Answer Question What are the devices which use synchronous transmission media to communicate ? Correct Answer Telephones , Instant Messaging , Chat Room Events Your Answer Telephones , Instant Messaging , Chat Room Events True/False

Question The access to the data on a network is defined by the business administrator to have proper control over the accessibility of data. Correct Answer False Your Answer True Match The FollowingQuestion Correct Answer Your Answer

CD and DVD Optical Storage DeviceOptical Storage Device

Ethernet Card Communication DeviceCommunication Device

Floppy Disk Drive Magnetic Storage DeviceMagnetic Storage Device

RAM Temporary Storage Temporary Storage

True/False Question A computer is a programmable machine. Correct Answer True Your Answer True True/False Question IP based networks do not use encryption and tunneling. Correct Answer False Your Answer True Multiple Choice Multiple Answer Question Transaction processing as an activity's sub-systems would have the following activities :- Correct Answer Processing orders. , Shipment and receipts. Your Answer Processing orders. , Performance reports. , Resource allocation. Multiple Choice Single Answer Question MIS helps the organization in the process of :- Correct Answer Decision making. Your Answer Decision making. Multiple Choice Single Answer Question Whenever we encounter five consecutive 1's in the data block, what do we do in data stuffing technique ? Correct Answer Stuff a zero Your Answer Stuff a zero Select The Blank Question If an application is run in client mode ________ information is sent across the network in clear text. Correct Answer Authentic Your Answer Authentic Multiple Choice Multiple Answer

Question File server use network operating systems such as : Correct Answer Nowell Netware , UNIX , Microsoft Windows Your Answer Nowell Netware , UNIX , Microsoft Windows Select The Blank Question A SAN exploits new breeds of ________ technology to get the best out of network devices. Correct Answer Clustering Your Answer Clustering Match The FollowingQuestion Correct Answer Your Answer

Marketing Sales forecasting Sales forecasting

Business complexities Technological revolution Organized set of processes

Information Resource Technological revolution

MIS Organized set of processes Production planning

Multiple Choice Single Answer Question People use hybrid processors usually when there is a need for : Correct Answer Combined Processing Your Answer Combined Processing Multiple Choice Single Answer Question The signal travelling over the network in bus topology is taken to the next node when the : Correct Answer Signal does not match Your Answer Signal matches Multiple Choice Single Answer Question MIS always refers to :- Correct Answer Computer system and manual system. Your Answer Computer system and manual system. Multiple Choice Single Answer Question Which internet protocol does the error reporting over a network ? Correct Answer Control message protocol Your Answer Transmission control protocol Select The Blank Question The file over the internet is downloaded to ________ machine. Correct Answer Client Your Answer Client Multiple Choice Single Answer

Question The secret key in public key encryption can be: Correct Answer Exchanged Your Answer Exchanged Multiple Choice Single Answer Question If there is an injection of data or commands into an existing stream of data over a network, then the attack is called as : Correct Answer IP spoofing Your Answer IP spoofing Multiple Choice Single Answer Question Internet access can be shared in Correct Answer Local Area Network Your Answer Local Area Network Select The Blank Question Demand priority uses ________ signaling. Correct Answer Quartet Your Answer Quartet True/False Question Flowcharts help the programmers in executing the program. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question Pure input devices include: Correct Answer Keyboard , Mouse , Scanner Your Answer Keyboard , Mouse , Scanner Select The Blank Question Flowcharts usually help the programmers to establish healthy communication channel with the ________. Correct Answer Business Managers Your Answer Business Logic Interpreters True/False Question You can attach voice message to your email that is sent over the internet. Correct Answer True Your Answer True True/False Question Analog Computers needs high processing capacity. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question DSP is used primarily in dedicated devices such as Correct Answer Modems , Digital Cameras , Graphics Cards Your Answer Modems , Digital Cameras , Graphics Cards

Select The Blank Question A switch is a ________ HUB. Correct Answer Intelligent Your Answer Intelligent Multiple Choice Single Answer Question The backbone of any organization is :- Correct Answer Information Your Answer Information Multiple Choice Multiple Answer Question FTP sites are mainly used for transfer of information such as Correct Answer Softwares , Games , Databases Your Answer Softwares , Games , Databases Select The Blank Question Businesses now a days maintain a large number of ________ documents. Correct Answer Electronic Your Answer Electronic Multiple Choice Single Answer Question The facts and figures entered into a computer are converted into Correct Answer Information Your Answer Information Multiple Choice Single Answer Question Bus topology is passive because : Correct Answer It waits for the signal Your Answer It waits for the signal Multiple Choice Single Answer Question MS-DOS was developed by : Correct Answer IBM Your Answer Microsoft Multiple Choice Multiple Answer Question The benefits of using storage area network are : Correct Answer Greater connectivity , Disaster recovery , Elemination of redundant data Your Answer Greater connectivity , Disaster recovery , Elemination of redundant data True/False Question An Internet is the group of enormous networks. Correct Answer True Your Answer True True/False Question In parity checking if external interference introduces an error all the bits will be changed to zero. Correct Answer False Your Answer False

Select The Blank Question File formats requiring plug-ins are known as ________ types. Correct Answer MIME Your Answer MIME Multiple Choice Multiple Answer Question Data can be represented in the following forms : Correct Answer Text , Numbers , Images Your Answer Text , Numbers , Images Select The Blank Question A modem is a ________ device. Correct Answer Communicating Your Answer Communicating

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question What is the first step an analyst is expected to follow when a problem is given? Correct Answer Recognize and Understand the Problem Your Answer Recognize and Understand the Problem Select The Blank Question ________ software enables one computer to communicate with other computer. Correct Answer Protocol Your Answer Protocol True/False Question Web pages do not contain links to documents and resources. Correct Answer False Your Answer False Select The Blank Question ________ hardware device is used to point to any location on the screen. Correct Answer Mouse Your Answer Mouse Multiple Choice Multiple Answer Question CSMA/CD usually operates in which two modes of carrier sensing Correct Answer Multiple Access , Collision Detection Your Answer Multiple Access , Collision Detection Select The Blank Question One Kilobyte can store ________ bytes of data. Correct Answer 1024 Your Answer 1024

Multiple Choice Single Answer Question It is always better to check the validity of the flowchart developed by passing it through a Correct Answer Simple Test Your Answer Simple Test Match The FollowingQuestion Correct Answer Your Answer

Plotter Graphics Printing Graphics Printing

Dot Matrix Printer Impact Printing Impact Printing

Line Printer One Line at a time One Line at a time

Laser Printer Non-Impact PrintingNon-Impact Printing

True/False Question Function keys are programmable and their functionality differ from s/w to s/w. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question The competitive forces that collectively determine the industry profitability are :- Correct Answer Bargaining power of consumers. , Pressure from substitute products. , Threats of new entrants in the market. Your Answer Bargaining power of consumers. , Pressure from substitute products. , Threats of new entrants in the market. Multiple Choice Multiple Answer Question Web has the ability to work with Correct Answer Multilanguage , Advance programming , Multimedia Your Answer Multimedia , Multilanguage , Advance programming Multiple Choice Single Answer Question MIS is the short form of Correct Answer Management Information System. Your Answer Management Information System. Multiple Choice Single Answer Question AI is the short form of :- Correct Answer Artificial Intelligence. Your Answer Artificial Intelligence. Multiple Choice Multiple Answer

Question What are the nature of attacks on a system's security over a network ? Correct Answer Unauthorized access , Misuse of resources , Insert spurious packets Your Answer Unauthorized access , Misuse of resources , Insert spurious packets Multiple Choice Multiple Answer Question For transmission of data over a network we require : Correct Answer Standard for Transmission , Device for Transmission , Media for Transmission Your Answer Media for Transmission , Standard for Transmission , Device for Transmission Match The FollowingQuestion Correct Answer Your Answer





Select The Blank Question A computer processes data into useable and more precised summary which is referred as ________. Correct Answer Information Your Answer Information Multiple Choice Single Answer Question On one screen the CRT is capable of displaying : Correct Answer 25 Lines of 80 Characters Your Answer 25 Lines of 80 Characters True/False Question A Hub receives signals for one port and sends them out to all the other ports. Correct Answer True Your Answer True Multiple Choice Single Answer Question An RSS reader is similar to Correct Answer Email Your Answer Email Multiple Choice Single Answer Question TPS is the short form of :- Correct Answer Transaction Processing System. Your Answer Transaction Processing System. Select The Blank Question Computers on the internet use ________ architecture.

Correct Answer Client/server Your Answer Client/server Multiple Choice Single Answer Question If the data exceeds the limits of the symbol in the flowcharts you can use Correct Answer Annotation Your Answer Annotation Multiple Choice Single Answer Question In error detection method the sum of the data is appended to the data block is : Correct Answer Checksum method Your Answer Checksum method Multiple Choice Multiple Answer Question The commonly used optical scanners are found in : Correct Answer Optical Character Reader(OCR) , Optical Mark Reader(OMR) , Optical Bar Code Reader Your Answer Optical Character Reader(OCR) , Optical Mark Reader(OMR) , Optical Bar Code Reader Select The Blank Question ________ technology is used to send data to a program without its request. Correct Answer Push Your Answer Push Multiple Choice Single Answer Question To have a successful communication of data mandatorily we require : Correct Answer Sender & Reciever Your Answer Sender & Reciever True/False Question A scanner can be shared on a Network. Correct Answer False Your Answer True True/False Question There is usually heavy charges for computer-to-computer calls, depending on the distance. Correct Answer False Your Answer False Select The Blank Question NAS systems use ________ protocol for web based administrative user interfaces. Correct Answer HTTP Your Answer HTTP Multiple Choice Single Answer Question The bar code printed on the goods we buy from the market is: Correct Answer A Universal Product Code Your Answer A Universal Product Code

Multiple Choice Multiple Answer Question Two types of HUB are Correct Answer Active , Passive Your Answer Active , Passive Select The Blank Question The key feature of a router is its capacity to determine the ________ path to the destination. Correct Answer Shortest Your Answer Shortest True/False Question Data can be lost if a transmission error is encountered on a network. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question Each host terminal on a TCP/IP network is assigned a 32 bit logical address dividing it into two main parts : Correct Answer Network Number , Host Number Your Answer Network Number , Host Number Multiple Choice Multiple Answer Question RSS may be read by using an Correct Answer RSS reader , Aggregator Your Answer RSS reader , Aggregator True/False Question We can allot storage from one application to another even if the application is running in different physical locations Correct Answer True Your Answer True True/False Question A light pen is capable of sensing a position on CRT. Correct Answer True Your Answer True Multiple Choice Single Answer Question RAID disks and tape technology are used for improved : Correct Answer Reliability Your Answer Reliability Multiple Choice Single Answer Question Transformation of a message into an unreadable format by using a mathematical algorithm is called as : Correct Answer Encryption Your Answer Encryption Select The Blank

Question A light pen is a device used for ________ operation. Correct Answer Photosensitive Your Answer Photosensitive Select The Blank Question The ________ always starts with a given problem. Correct Answer Algorithm Your Answer Algorithm True/False Question It is not possible to expand a network once the setup is complete. Correct Answer False Your Answer False True/False Question Email makes transmission of business information secure and easier. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question When a ring topology is configured on a network it usually ? Correct Answer Involves high cost , Complex in nature , Difficult to trouble shoot Your Answer Involves high cost , Complex in nature , Difficult to trouble shoot Multiple Choice Single Answer Question The overlapping of signals over a network is referred as : Correct Answer Collision Your Answer Collision Select The Blank Question ________ is the goal of most VPN solutions available today. Correct Answer Security Your Answer Security

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The Blank Question The longest transmission distance can be achieved with ________. Correct Answer Fiber optic cable Your Answer Fiber optic cable Multiple Choice Single Answer Question The layer responsible for process-to-process delivery is :- Correct Answer Transport layer Your Answer Transport layer True/False

Question ATM cell size varies according to the size of data. Correct Answer False Your Answer False Multiple Choice Single Answer Question Which organisation has developed much of the original standards? Correct Answer IEEE Your Answer IEEE Match The FollowingQuestion Correct Answer Your Answer

ATM Real time transmission Real time transmission

X.25 data rate 64 Kbps 64 Kbps

T-1 carrier data rate1.54 Mbps 1.54 Mbps

Frame Relay data rate 1.544Mbps1.544Mbps

True/False Question A medium access control technique for multiple access transmission media is amplitude. Correct Answer False Your Answer False Multiple Choice Multiple Answer Question In fast Ethernet functions of autonegotiation are :- Correct Answer To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability Your Answer To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability Multiple Choice Multiple Answer Question Fast Ethernet has :- Correct Answer Data rate of 100 mbps , Auto negotiation , Reconciliation sub layer Your Answer Data rate of 100 mbps , Auto negotiation , Reconciliation sub layer Multiple Choice Multiple Answer Question Routers used in OSPF :- Correct Answer Area border router , Backbone router , Autonomous system boundry router (ASBR) Your Answer Area border router , Backbone router , Autonomous system boundry router (ASBR) Select The Blank Question The ________ timer is needed to handle the zero window size. Correct Answer Persistence

Your Answer Persistence Multiple Choice Multiple Answer Question Twisted pair cables are preferred when :- Correct Answer Relatively easy installation is need , The LAN is under cost constraint Your Answer The LAN is under cost constraint , Relatively easy installation is need Multiple Choice Multiple Answer Question Internet Assigned Number Authority (IANA) has divided port number into the ranges :- Correct Answer Well-known ports , Registered ports , Dynamic ports Your Answer Well-known ports , Registered ports , Dynamic ports Multiple Choice Single Answer Question The main advantage of ISO model is that :- Correct Answer It allows integration of software and hardware Your Answer It allows integration of software and hardware Multiple Choice Multiple Answer Question In ATM, connection between two end points is accomplished through :- Correct Answer Transmission paths (TPs) , Virtual Paths (VPs) , Virtual circuits (VCs) Your Answer Virtual Paths (VPs) , Virtual circuits (VCs) , Transmission paths (TPs) Select The Blank Question For delivery the user datagram to the correct application program, UDP needs________. Correct Answer Port address Your Answer Port address Multiple Choice Single Answer Question Codes are always :- Correct Answer Either 7 or 8 bits per character Your Answer Either 7 or 8 bits per character True/False Question Half-duplex transmission limits communication in one direction at a time. Correct Answer True Your Answer True Multiple Choice Multiple Answer Question The physical path in ATM is :- Correct Answer Physical connection between two switches , Connection between an end point and a switch , Used for data transfer Your Answer Physical connection between two switches , Connection between an end point and a switch , Used for data transfer

Multiple Choice Multiple Answer Question Transmission media is characterized by :- Correct Answer Throughput , Propagation speed , Propagation time Your Answer Throughput , Propagation speed , Propagation time True/False Question In frame Relay, Data Link Connection Identifier (DLCI) is used to identify virtual circuit. Correct Answer True Your Answer True Select The Blank Question In IPv6 only ________ can fragment. Correct Answer Original source Your Answer Original source Select The Blank Question In Base T4 Ethernet ________ line coding is used. Correct Answer 8B /6T Your Answer 8B /6T Match The FollowingQuestion Correct Answer Your Answer

Router Limitations of 10 Base T Limitations of 10 Base T

Bridge Uses tables for filtering decisionsUses tables for filtering decisions

Repeater No filtering capacity No filtering capacity

Hub Increase length Increase length

Multiple Choice Single Answer Question In sub networks the number of intermediate levels of hierarchy in IP addressing are :- Correct Answer Three Your Answer Three Multiple Choice Single Answer Question The communication mode that supports data in both direction at the same time is :- Correct Answer Full -duplex Your Answer Full -duplex Multiple Choice Multiple Answer Question The Types of error that Internet Control Message Protocol (ICMP) can handle are :- Correct Answer Destination unreachable , Source quench , Redirection Your Answer Destination unreachable , Source quench , Redirection

Select The Blank Question In Ethernet LAN ________ are the destination address. Correct Answer Multicast and broadcast Your Answer Multicast Select The Blank Question The ________ timer is needed to control a lost or discarded segment by TCP. Correct Answer Retransmission Your Answer Retransmission Multiple Choice Single Answer Question Twisted -pair Ethernet is also known as :- Correct Answer 10BASET Your Answer 10BASET True/False Question A local area network connects distance computers. Correct Answer False Your Answer False Multiple Choice Single Answer Question Frame Relay operates at data rate of :- Correct Answer 1.544 Mbps Your Answer 1.544 Mbps Multiple Choice Single Answer Question Layer one of the OSI model is :- Correct Answer Physical layer Your Answer Physical layer Multiple Choice Multiple Answer Question AAL sub layers are :- Correct Answer Convergence sub layer (CS) , Segmentation and reassembly (SAR) Your Answer Convergence sub layer (CS) , Segmentation and reassembly (SAR) Multiple Choice Multiple Answer Question OSPF features are :- Correct Answer Multiple circuit load balancing , Converge very quickly to network topology change , Not susceptible to routing loops Your Answer Multiple circuit load balancing , Converge very quickly to network topology change , Not susceptible to routing loops Multiple Choice Single Answer Question Which of the following connects LAN to another of the same type? Correct Answer A network bridge Your Answer A network bridge Multiple Choice Single Answer Question A star backbone is most suited for:- Correct Answer Within multiple floor buildings

Your Answer Within multiple floor buildings True/False Question The Transreceiver in fast Ethernet is called PHY Sub-layer. Correct Answer True Your Answer True True/False Question The physical layer of a network controls error detection and correction. Correct Answer False Your Answer False True/False Question Gateway is used for modulation and demodulation. Correct Answer False Your Answer False Multiple Choice Single Answer Question Packets in the IP layer are called :- Correct Answer Datagrams Your Answer Datagrams Multiple Choice Single Answer Question Which of the following connects LAN to a WAN? Correct Answer A network gateway Your Answer A network gateway Select The Blank Question In ATM, ________ is designed to support connection oriented and connectionless data services. Correct Answer AAL3/4 Your Answer AAL1 Select The Blank Question The ________ Timer is used in termination phase. Correct Answer Time waited Your Answer Time waited True/False Question The basic data unit in an ATM network is called a cell. Correct Answer True Your Answer True Select The Blank Question The ________ field is used to order packets of a message. Correct Answer Sequence number Your Answer Sequence number True/False Question Modulation is the process of converting digital to analog signal. Correct Answer True

Your Answer False Multiple Choice Single Answer Question The access protocol used by Ethernet is :- Correct Answer CSMA / CD Your Answer CSMA / CD

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The BlankQuestion: The ________ Timer is used in termination phase.Correct Answer: Time waitedYour Answer: Keep alive Multiple Choice Multiple AnswerQuestion: Error control in DLL is based on :-Correct Answer: Damaged frames , Lost frames , Lost acknowledgements Your Answer: Lost acknowledgements , Frame length , Damaged frames Multiple Choice Single AnswerQuestion: Which organisation has developed much of the original standards?Correct Answer: IEEEYour Answer: ISO Select The BlankQuestion: A ________ is the physical connection between an end point and a switch or between two switches.Correct Answer: Transmission pathYour Answer: Virtual circuit Multiple Choice Multiple AnswerQuestion: Virtual circuit frame used in Frame Relay :-Correct Answer: Switched virtual circuit (SVC) , Permanent Virtual Circuit (PVC) , Multicast Virtual Circuit (MVC) Your Answer: Switched virtual circuit (SVC) , Multicast Virtual Circuit (MVC) , Unicast Virtual Circuit (UVC) Select The BlankQuestion: In fast Ethernet autonegotiation allows ________ negotiation.Correct Answer: Data rateYour Answer: Data rate Multiple Choice Multiple AnswerQuestion: Socket address is combination of :-Correct Answer: IP address , Port number Your Answer: Port address , IP address , IP number True/FalseQuestion: A central computer surrounded by one or more satellite computers is called a bus network.Correct Answer: FalseYour Answer: False Multiple Choice Single AnswerQuestion: Routing between autonomous system is referred to as :-

Correct Answer: Exterior routingYour Answer: Popular routing True/FalseQuestion: For efficient multicasting, a shortest path spanning tree represents the communication path.Correct Answer: TrueYour Answer: False Multiple Choice Single AnswerQuestion: Which of the following connects LAN to WAN?Correct Answer: A network gatewayYour Answer: A network bridge Multiple Choice Single AnswerQuestion: TCP is a :-Correct Answer: Stream connection oriented protocolYour Answer: Application protocol Multiple Choice Multiple AnswerQuestion: Important features of GMII :-Correct Answer: Data rate is 1000 Mbps , There is no GMII cable and connector , Management functions are included Your Answer: Data rate is 1000 Mbps , Management functions are included , Less complexity Select The BlankQuestion: In ________ multiple frames can be in transit at the same time. If there is an error only the unacknowledged frame is retransmitted.Correct Answer: Selective repeat ARQYour Answer: Go-back-N ARQ Select The BlankQuestion: In 100BaseX ________ bits of data is received from network interface card.Correct Answer: 8Your Answer: 64 Multiple Choice Multiple AnswerQuestion: IEEE 802.11 architecture supports :-Correct Answer: Basic Service Set (BSS) , Extended Service Set (ESS) Your Answer: Extended Service Set (ESS) , Modular Set , Backward compatible set True/FalseQuestion: The TCP/IP protocols treat all networks equally.Correct Answer: TrueYour Answer: True Select The BlankQuestion: The X.25 standard specifies ________ protocol layers are the serial interface gateway.Correct Answer: 3Your Answer: 4 Multiple Choice Multiple AnswerQuestion: Medium that uses metallic conductor for transmission :-Correct Answer: Coaxial cable , Shielded twisted pair cable , Unshielded twisted pair cable Your Answer: Coaxial cable , Shielded twisted pair cable , Fiber optic cable

Multiple Choice Single AnswerQuestion: For handling frame arriving protocol Frame Relay uses :-Correct Answer: FRADYour Answer: LMI True/FalseQuestion: The simultaneous transmission of data to a number of stations is known as broadcast.Correct Answer: TrueYour Answer: True Multiple Choice Multiple AnswerQuestion: Query message that ICMP supports :-Correct Answer: Echo request and reply , Time-stamp request and reply , Router solicitation and advertisement Your Answer: Echo request and reply , Data transfer , Router solicitation and advertisement Multiple Choice Single AnswerQuestion: Packets in the IP layer are called :-Correct Answer: DatagramsYour Answer: Data packets Multiple Choice Single AnswerQuestion: The main standards relating to Ethernet networks are :-Correct Answer: IEEE 802.2 and IEEE 802.3Your Answer: IEEE 802.3 and IEEE 802.4 Select The BlankQuestion: ATM defines ________ versions of application adaptation Layer(AAL).Correct Answer: FourYour Answer: Three True/FalseQuestion: The 1-4 digits are known as the country code of the NUA.Correct Answer: TrueYour Answer: True Select The BlankQuestion: Physical layer is responsible for transmitting ________ from one node to other.Correct Answer: Individual bitsYour Answer: Individual bits True/FalseQuestion: The application layer of a network defines the user's port into the network.Correct Answer: FalseYour Answer: True Multiple Choice Multiple AnswerQuestion: A repeater :-Correct Answer: Connects segments of a LAN , Forwards every frame , Is a regenerator Your Answer: Connects segments of a LAN , Is a regenerator , Amplifies the signal Multiple Choice Single AnswerQuestion: The cable connecting a DB - 9 connector at one end to a DB 25 connector at the other end must cross- connect pin 8 at the DB-9 side to which pin at the DB - 25 side?Correct Answer: 5Your Answer: 4 True/False

Question: Transmission of an IP datagram between two machines on a physical network does not involve gateways.Correct Answer: TrueYour Answer: False Multiple Choice Single AnswerQuestion: The information to be communicated in a communication system is :-Correct Answer: MessageYour Answer: Message Multiple Choice Multiple AnswerQuestion: Digital transmission is possible in :-Correct Answer: Serial mode , Parallel mode Your Answer: Serial mode , Sequential mode , Distributed mode True/FalseQuestion: Gateway is used for modulation and demodulation.Correct Answer: FalseYour Answer: True Select The BlankQuestion: In ATM, all cells of single message till destination follows the ________ path.Correct Answer: Virtual circuitYour Answer: Fixed Match The FollowingQuestion Correct Answer Your AnswerPPP An HDLC version secured passwordPAP Unsecured password

Data encapsulationCHAP secured password An HDLC versionNCP Data encapsulation Unsecured password True/FalseQuestion: In frame Relay, Data Link Connection Identifier (DLCI) is used to identify virtual circuit.Correct Answer: TrueYour Answer: True Multiple Choice Single AnswerQuestion: An access method in which available BW of a link is shared in time, frequency or code?Correct Answer: CanalizationYour Answer: Random Access Multiple Choice Multiple AnswerQuestion: Categories of traditional Ethernet are :-Correct Answer: 10Base 5 , 10Base 2 , 10Base T Your Answer: 10Base 5 , 10Base 2 , 10Base T Multiple Choice Single AnswerQuestion: As the data packet moves from the lower to the upper layers, headers are :-Correct Answer: AddedYour Answer: Modified Multiple Choice Single AnswerQuestion: Topology requires a central controller or hub.Correct Answer: StarYour Answer: Star

Select The BlankQuestion: In ALOHA ________ is the uploading carrier frequency.Correct Answer: 407MHzYour Answer: 401 MHz Match The FollowingQuestion Correct Answer Your AnswerFull - duplex

Simultaneous transmission inSimultaneous transmission in

both directions both directionsModem Modulator Demodulator Band width of the mediumBit Binary digit 0 and 1Synchronous High

Modulator Demodulatorcommunication efficiency Select The BlankQuestion: The medium that permits the highest data rate is ________.Correct Answer: Fiber optic cableYour Answer: Fiber optic cable True/FalseQuestion: Application programs as well as all protocol software from the internet layer upward use only IP address.Correct Answer: TrueYour Answer: True Multiple Choice Multiple AnswerQuestion: Features of hub are :-Correct Answer: Hub is a broadcasting device , Hub operates at physical layer , Hub transmits signals to other Your Answer: Hub is a broadcasting device , Hub transmits signals to other Multiple Choice Multiple AnswerQuestion: LCP packets include :-Correct Answer: Configuration packets , Link termination packets , Link monitoring and debugging packets Your Answer: Configuration packets , Link termination packets , Link monitoring and debugging packets

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single AnswerQuestion: Feature for sending voice through the Frame Relay is called :-Correct Answer: VOFRYour Answer: VOFR Select The BlankQuestion: In ATM, ________ is designed to support a data stream that has a constant bit rate.Correct Answer: AAL1Your Answer: AAL1

Multiple Choice Multiple AnswerQuestion: The bit rates defines the characteristics of ATM are :-Correct Answer: Constant bit rate (CBR) , Variable data rate (VBR) , Available bit rate (ABR) Your Answer: Constant bit rate (CBR) , Variable data rate (VBR) , Available bit rate (ABR) Select The BlankQuestion: The virtual path identifier (VPI) of user to network interface (UNI) is ________ bits in length.Correct Answer: 8Your Answer: 8 Multiple Choice Single AnswerQuestion: The main advantage of ISO model is that :-Correct Answer: It allows integration of software and hardwareYour Answer: It allows integration of software and hardware Select The BlankQuestion: The OSI models consists of ________ layers.Correct Answer: SevenYour Answer: Three Multiple Choice Single AnswerQuestion: An error detecting code which is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as :-Correct Answer: Cyclic Redundancy checkYour Answer: Error rate Multiple Choice Single AnswerQuestion: Fiber Optic Ethernet is also known as:-Correct Answer: 10BASEFYour Answer: 10BASET Multiple Choice Multiple AnswerQuestion: A star backbone network :-Correct Answer: Topology of backbone is star , The backbone is just one switch , Connects several LANs Your Answer: Topology of backbone is star , Connects several LANs , Faster than any other backbone network Multiple Choice Single AnswerQuestion: Twisted -pair Ethernet is also known as :-Correct Answer: 10BASETYour Answer: 10BASEF Match The FollowingQuestion Correct Answer

Your AnswerFCS Frame check sequence

Frame check sequenceI- frame User information

management informationS-frames No information

Supervisory framesU-frames management information User information Match The Following

Question Correct AnswerYour Answer

Time waited timer Termination phaseTermination phase

Keep Alive Timer Prevents long idle connectionHandles zero window size

Persistence timer Handles zero window sizePrevents long idle connection

Retransmission timer Lost segmentsEstablishment Phase

Multiple Choice Single AnswerQuestion: Rules and procedures that describes how data will be transmitted and received are referred to as :-Correct Answer: ProtocolsYour Answer: Protocols Multiple Choice Multiple AnswerQuestion: The Types of error that Internet Control Message Protocol (ICMP) can handle are :-Correct Answer: Destination unreachable , Source quench , Redirection Your Answer: Destination unreachable , Source quench , Retransmision Multiple Choice Multiple AnswerQuestion: In digital data transmission :-Correct Answer: Baud rate is equal to bit rate , Baud rate is always smaller than the bit rate Your Answer: Baud rate is equal to bit rate , Baud rate is always smaller than the bit rate Multiple Choice Single AnswerQuestion: The cost assigned for passage of a packet through a network is called :-Correct Answer: MetricYour Answer: Metric Multiple Choice Single AnswerQuestion: Standard or thick wire Ethernet is also known as :-Correct Answer: 10BASE5Your Answer: 10BASET True/FalseQuestion: The Transreceiver in fast Ethernet is called PHY Sub-layer.Correct Answer: TrueYour Answer: True Multiple Choice Single AnswerQuestion: What is the main function of the transport layer?Correct Answer: Node-to-node deliveryYour Answer: Node-to-node delivery True/FalseQuestion: ATM can handle real time transmission.Correct Answer: TrueYour Answer: True Multiple Choice Single AnswerQuestion: For the IP address 227.12.14.87, the class of the address is :-Correct Answer: Class DYour Answer: Class B Multiple Choice Single AnswerQuestion: Which layer in the Ethernet standard communicates with the OSI network layer?

Correct Answer: LLCYour Answer: Physical Multiple Choice Single AnswerQuestion: Peer to peer communication involves:-Correct Answer: Computers to share information over a networkYour Answer: Communication between a computer and the network Multiple Choice Single AnswerQuestion: Which organization develop the original RS - 232C specification?Correct Answer: EAIYour Answer: ISO True/FalseQuestion: The root bridge has largest ID.Correct Answer: FalseYour Answer: True Multiple Choice Single AnswerQuestion: Which of the following is not a part of UDP user datagram?Correct Answer: PreambleYour Answer: Preamble True/FalseQuestion: The hierarchical use of hubs removes the length limitation of 10BaseT.Correct Answer: TrueYour Answer: False Select The BlankQuestion: The ________ timer keep a track of the time between the sending of segment and the receipt of an acknowledgement.Correct Answer: RetransmissionYour Answer: Persistence Select The BlankQuestion: In fast Ethernet ________ is not required.Correct Answer: CSMA /CDYour Answer: Line coding Multiple Choice Single AnswerQuestion: Which of the following summation operation is performed on the bits to check an error-detecting code?Correct Answer: ChecksumYour Answer: Coder-decoder Multiple Choice Multiple AnswerQuestion: Serial transmission can be :-Correct Answer: Synchronous , Asynchronous Your Answer: Synchronous , Asynchronous , Sequential True/FalseQuestion: Local area networks can transmit data using twisted -pair wiring or coaxial cables.Correct Answer: TrueYour Answer: True Multiple Choice Multiple AnswerQuestion: Features of hub are :-Correct Answer: Hub operates at physical layer , Hub transmits signals to other , Hub is a broadcasting device

Your Answer: Hub operates at physical layer , Hub transmits signals to other , Hub can be used as repeater Multiple Choice Single AnswerQuestion: A repeater :-Correct Answer: Forwards every frameYour Answer: Forwards every frame True/FalseQuestion: The data link layer, in reference to the OSI model, specifies the virtual circuit interface to packet-switched service.Correct Answer: FalseYour Answer: True Multiple Choice Single AnswerQuestion: Which organisation has developed much of the original standards?Correct Answer: IEEEYour Answer: IEEE True/FalseQuestion: Frame Relay does not provide flow control or error control, they must be provided by upper layer protocols.Correct Answer: TrueYour Answer: False Select The BlankQuestion: Most modern versions of Ethernet use ________ as the transmission medium.Correct Answer: UTPYour Answer: Coaxial cable True/FalseQuestion: The general area of data communications encompasses tele-communications.Correct Answer: FalseYour Answer: True True/FalseQuestion: A device that can convert digital signals to analog signals is a packet.Correct Answer: FalseYour Answer: True Multiple Choice Multiple AnswerQuestion: X.25 uses :-Correct Answer: Packet assembler/disassembler , Packet switched network , Access lines to public data networks Your Answer: Packet assembler/disassembler , Access lines to public data networks , A cell switched network Multiple Choice Multiple AnswerQuestion: Features that encourages the wide spread use of ATM in telecommunication are :-Correct Answer: High speed data rate , Low error rate , Low operating cost Your Answer: High speed data rate , Low error rate , Low operating cost Multiple Choice Multiple AnswerQuestion: HDLC supports :-Correct Answer: Half duplex communication , Full duplex communication , ARQ mechanisms Your Answer: Full duplex communication , ARQ mechanisms , Pipelining

Multiple Choice Multiple AnswerQuestion: Broadcasting methods are :-Correct Answer: Flooding , Multidestination routing , Reverse path forwarding Your Answer: Random routing , Multidestination routing , Reverse path forwarding Select The BlankQuestion: In fast Ethernet ________ replaces physical layer signaling.Correct Answer: Reconciliation Sub LayerYour Answer: PHY True/FalseQuestion: The transport layer provides for any format, translationer code conversion necessary to put the data into an intelligible format.Correct Answer: FalseYour Answer: True Select The BlankQuestion: The ________ timer is needed to handle the zero window size.Correct Answer: PersistenceYour Answer: Keep alive

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Multiple AnswerQuestion: Operational features of Ethernet are:-Correct Answer: 10 mbps rate , CSMA/CD protocol , 500 meters length Your Answer: 10 mbps rate , CSMA/CD protocol , 500 meters length Multiple Choice Multiple AnswerQuestion: The adaptive routing types are :-Correct Answer: Isolated adaptive routing , Centralized adaptive routing , Distributed adaptive routing Your Answer: Isolated adaptive routing , Centralized adaptive routing , Distributed adaptive routing True/FalseQuestion: The hierarchical use of hubs removes the length limitation of 10BaseT.Correct Answer: TrueYour Answer: True Multiple Choice Single AnswerQuestion: Which of the following is not a part of UDP user datagram?Correct Answer: PreambleYour Answer: Preamble Multiple Choice Multiple AnswerQuestion: Terms used to describe digital signal are :-Correct Answer: Bit rate , Bit interval Your Answer: Bit rate , Bit interval Match The FollowingQuestion Correct Answer

Your AnswerATM Layer Cell Length 53 bytes

53 bytes

Backbone Bus or starBus or star

Virtual LAN configured by software Constant bit rateVOFR Voice over Frame Relay Voice over Frame Relay Multiple Choice Single AnswerQuestion: A repeater :-Correct Answer: Forwards every frameYour Answer: Forwards every frame Multiple Choice Single AnswerQuestion: Peer to peer communication involves:-Correct Answer: Computers to share information over a networkYour Answer: Communication between a computer and the network Multiple Choice Multiple AnswerQuestion: The Types of error that Internet Control Message Protocol (ICMP) can handle are :-Correct Answer: Destination unreachable , Source quench , Redirection Your Answer: Source quench , Retransmision , Redirection Multiple Choice Single AnswerQuestion: The performance of transmission media can be measured by :-Correct Answer: Propagation speedYour Answer: Throughput Select The BlankQuestion: A communication protocol always have ________.Correct Answer: Set of symbolsYour Answer: Network information Select The BlankQuestion: Before information can be transmitted, it must be transformed into________.Correct Answer: Electromagnetic signalsYour Answer: Electromagnetic signals Multiple Choice Multiple AnswerQuestion: A transport layer :-Correct Answer: Gives service to Application layer , Receives Service from Network layer Your Answer: Gives service to Application layer , Receives Service from Network layer True/FalseQuestion: The important characteristic of LAN is parallel transmission.Correct Answer: FalseYour Answer: True Multiple Choice Single AnswerQuestion: The main advantage of ISO model is that :-Correct Answer: It allows integration of software and hardwareYour Answer: It defines cables and connectors Multiple Choice Multiple AnswerQuestion: OSPF features are :-Correct Answer: Multiple circuit load balancing , Converge very quickly to network topology change , Not susceptible to routing loops

Your Answer: Multiple circuit load balancing , Converge very quickly to network topology change , Fixed length subnetting Select The BlankQuestion: In IPv6 only ________ can fragment.Correct Answer: Original sourceYour Answer: Router Multiple Choice Single AnswerQuestion: The identifier used for data transfer is :-Correct Answer: Virtual circuit identifier (VCI)Your Answer: Virtual circuit identifier (VCI) Multiple Choice Single AnswerQuestion: Which layer in the Ethernet standard communicates with the OSI network layer?Correct Answer: LLCYour Answer: Protocol True/FalseQuestion: Fast Ethernet is backward compatible.Correct Answer: TrueYour Answer: True Match The FollowingQuestion Correct Answer

Your AnswerAuthenticate protocol PAP & CHAP

PAP & CHAPBit stuffing Data Transparency

Data TransparencyHDLC NRM & ABM

NRM & ABMPPP phases Transition states

Transition states Select The BlankQuestion: Communication between a computer and a keyboard involves________ transmission.Correct Answer: SimplexYour Answer: Simplex True/FalseQuestion: In channelization access method the available BW is shared in time, frequency and code.Correct Answer: TrueYour Answer: True True/FalseQuestion: A repeater connects two LANs of different protocols.Correct Answer: FalseYour Answer: True Select The BlankQuestion: In 100 Base TX Ethernet ________ line coding is used.Correct Answer: 4B /5BYour Answer: 4B /5B Multiple Choice Multiple AnswerQuestion: In ATM, connection between two end points is accomplished through :-Correct Answer: Transmission paths (TPs) , Virtual Paths (VPs) , Virtual circuits (VCs) Your Answer: Transmission paths (TPs) , Virtual Paths (VPs) , Virtual circuits (VCs) Multiple Choice Single Answer

Question: The layer lies between the network layer and the session layer is :-Correct Answer: Transport layerYour Answer: Transport layer True/FalseQuestion: Frame Relay does not provide flow control or error control, they must be provided by upper layer protocols.Correct Answer: TrueYour Answer: False Multiple Choice Multiple AnswerQuestion: Fast Ethernet has :-Correct Answer: Data rate of 100 mbps , Auto negotiation , Reconciliation sub layer Your Answer: Data rate of 100 mbps , Auto negotiation , Reconciliation sub layer Select The BlankQuestion: Transport layer is responsible for delivery of ________ from one node to other.Correct Answer: MessageYour Answer: Message Multiple Choice Single AnswerQuestion: How many fibers connects to a FDDI dual attach station?Correct Answer: 4Your Answer: 2 Select The BlankQuestion: In ________ the sender sends a frame and waits for an acknowledgement from the receiver before sending the next frame.Correct Answer: Stop-and-wait ARQYour Answer: Stop-and-wait ARQ Multiple Choice Single AnswerQuestion: CCITT.X series standers relate primarily to which area of data communication?Correct Answer: Wide area networkYour Answer: Wide area network Multiple Choice Single AnswerQuestion: Standard or thick wire Ethernet is also known as :-Correct Answer: 10BASE5Your Answer: 10BASE5 Multiple Choice Multiple AnswerQuestion: X . 25 protocol :-Correct Answer: Allows DTE to DCE interface , Is a synchronous interface , Is approved by CCITT Your Answer: Allows DTE to DCE interface , Is a synchronous interface , Is approved by CCITT Select The BlankQuestion: A ________ path provides a connection or a set of connections between switches.Correct Answer: VirtualYour Answer: Virtual circuit True/FalseQuestion: A medium access control technique for multiple access transmission media is amplitude.Correct Answer: FalseYour Answer: True Multiple Choice Single Answer

Question: In ALOHA network downloading carrier frequency is :-Correct Answer: 413 MHzYour Answer: 407 MHz Multiple Choice Multiple AnswerQuestion: Transreceiver performs the function of :-Correct Answer: Transmitting and detection , Collision , Encoding and decoding Your Answer: Transmitting and detection , Synchronization , Collision True/FalseQuestion: Repeater operates in physical layer.Correct Answer: TrueYour Answer: True True/FalseQuestion: The basic data unit in an ATM network is called a cell.Correct Answer: TrueYour Answer: True Select The BlankQuestion: The IP datagram header is ________ in length.Correct Answer: 20-60 bytesYour Answer: 20-60 bytes Multiple Choice Multiple AnswerQuestion: Broadcasting methods are :-Correct Answer: Flooding , Multidestination routing , Reverse path forwarding Your Answer: Flooding , Multidestination routing Multiple Choice Multiple AnswerQuestion: Transfer of data from CPU to peripheral devices of computer is :-Correct Answer: Serial port , Parallel port Your Answer: Serial port , Parallel port Select The BlankQuestion: Network layer is responsible for delivery of ________ from one source to other.Correct Answer: PacketsYour Answer: Packets Select The BlankQuestion: The ________ timer is needed to control a lost or discarded segment by TCP.Correct Answer: RetransmissionYour Answer: Persistence Multiple Choice Multiple AnswerQuestion: Transmission media is characterized by :-Correct Answer: Throughput , Propagation speed , Propagation time Your Answer: Throughput , Propagation speed , Propagation time

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The BlankQuestion: A data packet is a packet header together with ________.Correct Answer: User dataYour Answer: Node address

Multiple Choice Multiple AnswerQuestion: Transreceiver performs the function of :-Correct Answer: Transmitting and detection , Collision , Encoding and decoding Your Answer: Transmitting and detection , Synchronization , Encoding and decoding True/FalseQuestion: Modem is used for modulation and demodulation.Correct Answer: TrueYour Answer: True Select The BlankQuestion: In simplex transmission________.Correct Answer: Data transmission is one wayYour Answer: Data transmission is one way True/FalseQuestion: The session layer takes the communication service of the transport layer and adds application -oriented functions.Correct Answer: TrueYour Answer: True Select The BlankQuestion: The digital, voice, or video voltages are referred to as ________ signals.Correct Answer: Base bandYour Answer: Broadband Select The BlankQuestion: Before information can be transmitted, it must be transformed into________.Correct Answer: Electromagnetic signalsYour Answer: Electromagnetic signals Multiple Choice Multiple AnswerQuestion: CHAP has three steps :-Correct Answer: Sending value to user , Manipulating the value and sends the result back , Validity of information Your Answer: Sending value to user , Manipulating the value and sends the result back , Verify the result Multiple Choice Single AnswerQuestion: The information to be communicated in a communication system is :-Correct Answer: MessageYour Answer: Message Multiple Choice Multiple AnswerQuestion: A Bus backbone network :-Correct Answer: Uses star topology , Connects several LANs , Uses bus topology Your Answer: Connects several LANs , Uses bus topology , Saves BW Select The BlankQuestion: The connection establishment involves a ________ handshake.Correct Answer: Two-wayYour Answer: Three-way True/FalseQuestion: A modem is only capable of modulation.Correct Answer: False

Your Answer: False Select The BlankQuestion: A television broadcast is an example of ________ transmission.Correct Answer: SimplexYour Answer: Full - duplex Multiple Choice Single AnswerQuestion: ARQ stands for :-Correct Answer: Automatic repeat requestYour Answer: Automatic repeat request Multiple Choice Single AnswerQuestion: The communication mode that supports data in both direction at the same time is :-Correct Answer: Full -duplexYour Answer: Full -duplex True/FalseQuestion: The main purpose of a data link content monitor detect problems in protocols.Correct Answer: TrueYour Answer: False True/FalseQuestion: Fast Ethernet is backward compatible.Correct Answer: TrueYour Answer: False Select The BlankQuestion: The IP datagram header is ________ in length.Correct Answer: 20-60 bytesYour Answer: 20-60 bytes Match The FollowingQuestion Correct Answer Your AnswerFull - duplex Simultaneous transmission in Simultaneous transmission in both directions both directionsModem Modulator Demodulator Modulator DemodulatorBit Binary digit Binary digitSynchronous communication High

Highefficiency Multiple Choice Single AnswerQuestion: According to the PPP transition state diagram, options are negotiated in the :-Correct Answer: Establishing stateYour Answer: Establishing state Multiple Choice Single AnswerQuestion: HDLC is a :-Correct Answer: Bit-oriented protocolYour Answer: Bit-oriented protocol Multiple Choice Single AnswerQuestion: The identifier used for data transfer is :-Correct Answer: Virtual circuit identifier (VCI)Your Answer: Virtual circuit identifier (VCI) Multiple Choice Multiple AnswerQuestion: In first layer of Internet model :-

Correct Answer: Repeaters operate , Hubs operate Your Answer: Repeaters operate , Hubs operate , Bridges operate True/FalseQuestion: The simultaneous transmission of data to a number of stations is known as broadcast.Correct Answer: TrueYour Answer: True Select The BlankQuestion: Switched Ethernet has ________ advantage over traditional Ethernet.Correct Answer: BW sharingYour Answer: Device sharing Multiple Choice Multiple AnswerQuestion: Fast Ethernet has :-Correct Answer: Data rate of 100 mbps , Auto negotiation , Reconciliation sub layer Your Answer: Data rate of 100 mbps , Reconciliation sub layer , Thin cable Multiple Choice Single AnswerQuestion: An IP address length is :-Correct Answer: 32-bitYour Answer: 32-bit Multiple Choice Multiple AnswerQuestion: Medium that uses metallic conductor for transmission :-Correct Answer: Coaxial cable , Shielded twisted pair cable , Unshielded twisted pair cable Your Answer: Coaxial cable , Shielded twisted pair cable , Unshielded twisted pair cable Multiple Choice Single AnswerQuestion: For a 10 Mbps bit rate determine the time period of each bit transmitted :-Correct Answer: 0.1 micro secondsYour Answer: 0.1 micro seconds Multiple Choice Multiple AnswerQuestion: The adaptive routing types are :-Correct Answer: Isolated adaptive routing , Centralized adaptive routing , Distributed adaptive routing Your Answer: Centralized adaptive routing , Distributed adaptive routing , Random adaptive routing True/FalseQuestion: Gateway allows devices on one network to communicate with devices on another network.Correct Answer: TrueYour Answer: True Multiple Choice Multiple AnswerQuestion: Error correction and detection in OSI model is done by :-Correct Answer: Data link Layer , Transport Layer Your Answer: Physical layer , Data link Layer Multiple Choice Multiple AnswerQuestion: Channelization protocols are :-Correct Answer: TDMA , CDMA , FDMA Your Answer: TDMA , CDMA , CSMA/CD protocol

Select The BlankQuestion: In Base T4 Ethernet ________ line coding is used.Correct Answer: 8B /6TYour Answer: 8B /6T Multiple Choice Single AnswerQuestion: CCITT.X series standers relate primarily to which area of data communication?Correct Answer: Wide area networkYour Answer: Asynchronous communication Multiple Choice Multiple AnswerQuestion: Issues to consider for bridge connecting different LANs :-Correct Answer: Frame format , Data size , Data rate Your Answer: Data size , Data rate , Data type Multiple Choice Single AnswerQuestion: Frame Relay operates at data rate of :-Correct Answer: 1.544 MbpsYour Answer: 1.544 Mbps Multiple Choice Single AnswerQuestion: X.21 is :-Correct Answer: Network access standard for connecting stations to a circuit-switched networkYour Answer: A method access control technique for multiple-access transmission media True/FalseQuestion: Transmission of an IP datagram between two machines on a physical network does not involve gateways.Correct Answer: TrueYour Answer: True True/FalseQuestion: An Ethernet frame contains seven fields.Correct Answer: TrueYour Answer: False Multiple Choice Single AnswerQuestion: In which method, primary station controls transmission to and from secondary station?Correct Answer: Polling AccessYour Answer: Reservation Match The FollowingQuestion Correct Answer

Your AnswerDigital Transmission Data transmission from hardAsynchronous transmission

disk to memorySimplex Common in one direction only Common in one direction onlyDuplex Common in both direction only Common in both direction onlyAnalog Transmission Door-Darshan transmission Data transmission from hard disk tomemory Multiple Choice Multiple AnswerQuestion: The important features of a reapeter are :-Correct Answer: Can use 10Base5 , Acts as two port node , Operates only in physical layer

Your Answer: Can use 10Base5 , Acts as two port node , Operates only in physical layer Multiple Choice Single AnswerQuestion: The physical path over which a message travels is :-Correct Answer: MediaYour Answer: Media Select The BlankQuestion: In ________ multiple frames can transmit at the same time. If there is an error, retransmission begins with the last acknowledged frame even if subsequent frames have arrived correctly.Correct Answer: Go-back-N ARQYour Answer: Selective repeat ARQ True/FalseQuestion: For efficient multicasting, a shortest path spanning tree represents the communication path.Correct Answer: TrueYour Answer: False Multiple Choice Multiple AnswerQuestion: Repeater's features are :-Correct Answer: It operates in physical layer , It forwards every frame , It connects network segment Your Answer: It operates in physical layer , It forwards every frame , It connects network segment

LIST OF ATTEMPTED QUESTIONS AND ANSWERS True/False Question: Data rate of fast Ethernet is 100 Mbps. Correct Answer: True Your Answer: True Multiple Choice Single Answer Question: The identifier used for data transfer is :- Correct Answer: Virtual circuit identifier (VCI) Your Answer: Virtual circuit identifier (VCI) Multiple Choice Single Answer Question: In spanning tree bridge :- Correct Answer: Logical topology is created Your Answer: Physical and logical topology is created Multiple Choice Single Answer Question: Twisted -pair Ethernet is also known as :- Correct Answer: 10BASET Your Answer: 10BASET Multiple Choice Single Answer Question: Which of the following connects LAN to another of the same type? Correct Answer: A network bridge Your Answer: A network bridge Multiple Choice Multiple Answer Question: The types of Internet Group Management Protocol (IGMP) message are :- Correct Answer: Leave Report , Membership Report , Query

Your Answer: Membership Report , Query , Update Multiple Choice Multiple Answer Question: Digital transmission is possible in :- Correct Answer: Serial mode , Parallel mode Your Answer: Serial mode , Parallel mode True/False Question: In a star backbone, the topology of the backbone is star. Correct Answer: True Your Answer: True Multiple Choice Multiple Answer Question: A token passing network :- Correct Answer: Provide access to the network by only one station at a time , Can provide access only to the station which is having token , Can be either ring or bus network Your Answer: Provide access to the network by only one station at a time , Can provide access only to the station which is having token , Can be either ring or bus network Multiple Choice Single Answer Question: Fiber Optic Ethernet is also known as:- Correct Answer: 10BASEF Your Answer: 10BASEF Multiple Choice Single Answer Question: Which organization has developed much of the original standards for LAN? Correct Answer: IEEE Your Answer: IEEE True/False Question: A central computer surrounded by one or more satellite computers is called a bus network. Correct Answer: False Your Answer: False Multiple Choice Multiple Answer Question: In digital data transmission :- Correct Answer: Baud rate is equal to bit rate , Baud rate is always smaller than the bit rate Your Answer: Baud rate is equal to bit rate , Baud rate is always smaller than the bit rate Select The Blank Question: The X.25 standard specifies ________ protocol layers are the serial interface gateway. Correct Answer: 3 Your Answer: 3 Select The Blank Question: In IPv6 only ________ can fragment. Correct Answer: Original source Your Answer: Original source Multiple Choice Single Answer Question: Peer to peer communication involves:- Correct Answer: Computers to share information over a network Your Answer: Computers to share information over a network Multiple Choice Multiple Answer Question: Modulation is used for :- Correct Answer: Reduce the band width , Reduce the antenna size , Transmit multiple signals

Your Answer: Reduce the band width , Transmit multiple signals , Ensure good transmission quality Multiple Choice Single Answer Question: An error detecting code which is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as :- Correct Answer: Cyclic Redundancy check Your Answer: Cyclic Redundancy check Multiple Choice Multiple Answer Question: Features of hub are :- Correct Answer: Hub is a broadcasting device , Hub operates at physical layer , Hub transmits signals to other Your Answer: Hub is a broadcasting device , Hub operates at physical layer , Hub transmits signals to other Multiple Choice Single Answer Question: The layer responsible for process-to-process delivery is :- Correct Answer: Transport layer Your Answer: Physical layer Select The Blank Question: In ________ multiple frames can transmit at the same time. If there is an error, retransmission begins with the last acknowledged frame even if subsequent frames have arrived correctly. Correct Answer: Go-back-N ARQ Your Answer: Go-back-N ARQ Select The Blank Question: Most modern versions of Ethernet use ________ as the transmission medium. Correct Answer: UTP Your Answer: UTP Multiple Choice Single Answer Question: Standard or thick wire Ethernet is also known as :- Correct Answer: 10BASE5 Your Answer: 10BASE5 Multiple Choice Single Answer Question: The main standards relating to Ethernet networks are :- Correct Answer: IEEE 802.2 and IEEE 802.3 Your Answer: IEEE 802.2 and IEEE 802.3 Multiple Choice Multiple Answer Question: Data transmission modes are :- Correct Answer: Simplex , Half duplex , Full duplex Your Answer: Simplex , Half duplex , Full duplex Multiple Choice Single Answer Question: Which of the following connects LAN to a WAN? Correct Answer: A network gateway Your Answer: A network gateway Match The Following Question Correct Answer

Your Answer CRC 4 bytes

6 bytes

Ethernet address 6 bytes 46 to 1500 bytes

Ethernet frame 64 bytes 128 bytes

Data field 46 to 1500 bytes 4 bytes Multiple Choice Single Answer Question: In a mesh topology, the relationship between one device and another is Correct Answer: Peer-to-peer Your Answer: Peer-to-peer True/False Question: The physical layer of a network controls error detection and correction. Correct Answer: False Your Answer: True Select The Blank Question: In ATM, ________ is designed to travel sequentially a single message. Correct Answer: AAL5 Your Answer: AAL1 Select The Blank Question: In ATM, ________ is designed to support a data stream of variable data rate. Correct Answer: AAL2 Your Answer: AAL2 Multiple Choice Single Answer Question: The cable connecting a DB - 9 connector at one end to a DB 25 connector at the other end must cross- connect pin 8 at the DB-9 side to which pin at the DB - 25 side? Correct Answer: 5 Your Answer: 5 True/False Question: T1 and T3 carrier lines are suitable for bursty data traffic. Correct Answer: False Your Answer: True Multiple Choice Multiple Answer Question: A repeater :- Correct Answer: Connects segments of a LAN , Forwards every frame , Is a regenerator Your Answer: Connects segments of a LAN , Forwards every frame , Is a regenerator Multiple Choice Single Answer Question: In Switched Virtual Circuit (SVC), the connection between source and destination is set up :- Correct Answer: Temporarily Your Answer: Logically Multiple Choice Single Answer Question: Which organisation has developed much of the original standards? Correct Answer: IEEE Your Answer: IEEE Multiple Choice Multiple Answer Question: Three sets of protocols are defined for making PPP a powerful protocol :- Correct Answer: Link control protocol (LCP) , Authentication protocol , Network control protocol (NCP)

Your Answer: Link control protocol (LCP) , Network control protocol (NCP) , HDLC protocol Multiple Choice Multiple Answer Question: CHAP packets include :- Correct Answer: Challenge , Response , Success and failure Your Answer: Challenge , Response , Success and failure Multiple Choice Single Answer Question: The actual transmission and reception of data on an RS - 232 interface occurs :- Correct Answer: On pins 2 and 3 Your Answer: On pins 2 and 3 Match The Following Question Correct Answer Your Answer 10Base-FL Fiber link Ethernet Fiber link Ethernet 10Base5 Thicknet Thicknet 10Base2 Cheaper net Switched Ethernet 10BaseT Twisted pair ethernet Twisted pair ethernet Multiple Choice Single Answer Question: Codes are always :- Correct Answer: Either 7 or 8 bits per character Your Answer: Predecided between sender and receiver Select The Blank Question: In X.25 network layer protocol, the data contains________. Correct Answer: One octet of header plus data Your Answer: Three octet of header plus data Multiple Choice Single Answer Question: The physical path over which a message travels is :- Correct Answer: Media Your Answer: Media True/False Question: TCP uses negative acknowledgement in communication. Correct Answer: False Your Answer: False Multiple Choice Multiple Answer Question: A remote bridge :- Correct Answer: Useful for several offices with LANs , Acts as point-to-point link , Uses PPP protocol Your Answer: Useful for several offices with LANs , Acts as point-to-point link , Uses PPP protocol Multiple Choice Multiple Answer Question: HDLC supports :- Correct Answer: Half duplex communication , Full duplex communication , ARQ mechanisms Your Answer: Half duplex communication , Full duplex communication , ARQ mechanisms Select The Blank Question: In 100BaseX ________ bits of data is received from network interface card. Correct Answer: 8 Your Answer: 8

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Single Answer Question: In Permanent Virtual Circuit (PVC), the connection between source and destination is set up :- Correct Answer: Permanently Your Answer: Permanently Multiple Choice Single Answer Question: Which of the following device is used with an X.25 network to provide service to asynchronous terminals? Correct Answer: Packet assembler/disassembler Your Answer: Gateway Multiple Choice Single Answer Question: In sub networks the number of intermediate levels of hierarchy in IP addressing are :- Correct Answer: Three Your Answer: Three Multiple Choice Single Answer Question: In OSI network architecture, the dialoge control and token management are the responsibilities of :- Correct Answer: Session layer Your Answer: Data link layer Select The Blank Question: The virtual path identifier (VPI) of user to network interface (UNI) is ________ bits in length. Correct Answer: 8 Your Answer: 8 Multiple Choice Single Answer Question: The information to be communicated in a communication system is :- Correct Answer: Message Your Answer: Message True/False Question: Gateway allows devices on one network to communicate with devices on another network. Correct Answer: True Your Answer: True Multiple Choice Multiple Answer Question: Types of Border Gateway Protocol (BGP) messages Correct Answer: Notification , Keep alive , Update Your Answer: Notification , Keep alive , Update Select The Blank Question: In ________ the sender sends a frame and waits for an acknowledgement from the receiver before sending the next frame. Correct Answer: Stop-and-wait ARQ Your Answer: Stop-and-wait ARQ Multiple Choice Multiple Answer Question: The physical path in ATM is :- Correct Answer: Physical connection between two switches , Connection between an end point and a switch , Used for data transfer

Your Answer: Physical connection between two switches , Used to connect switches , Used for data transfer Multiple Choice Single Answer Question: Which organization develop the original RS - 232C specification? Correct Answer: EAI Your Answer: EAI Multiple Choice Single Answer Question: Regulation of the rate of transmission of data frames is known as :- Correct Answer: Flow control Your Answer: Data rate control Multiple Choice Multiple Answer Question: A data terminal serves as :- Correct Answer: Effecter , Sensor Your Answer: Effecter , Transmitter , Modulator Multiple Choice Multiple Answer Question: A spanning tree bridge :- Correct Answer: Has no loops , Creates logical topology , Uses BPDU Your Answer: Creates logical topology , Uses BPDU , Forward every frame Match The Following Question Correct Answer

Your Answer Communication system Hardware, software, and data Hardware, software, and data transferaltransferal links links Digital 0 and 1

Asynchronous transmission FDM Band width of the medium Signal to noise ratio Start and stop bits Asynchronous transmission 0 and 1 True/False Question: Frame Relay does not provide flow control or error control, they must be provided by upper layer protocols. Correct Answer: True Your Answer: True True/False Question: A local area network connects distance computers. Correct Answer: False Your Answer: False Select The Blank Question: Flow control ________. Correct Answer: Prevents overflow at receiver Your Answer: Controls overflow at receiver Select The Blank Question: The ________ Timer is used in termination phase. Correct Answer: Time waited Your Answer: Time waited Select The Blank Question: Transport layer is responsible for delivery of ________ from one node to other. Correct Answer: Message Your Answer: Message

Multiple Choice Single Answer Question: MAC is :- Correct Answer: A method of determining which device has access to the transmission medium at any time Your Answer: A method of determining which device has access to the transmission medium at any time True/False Question: Modulation is the process of sending a file from one computer to another computer. Correct Answer: False Your Answer: True True/False Question: The basic data unit in an ATM network is called a cell. Correct Answer: True Your Answer: True True/False Question: The application layer of a network defines the user's port into the network. Correct Answer: False Your Answer: False Select The Blank Question: ATM standard defines ________ layer. Correct Answer: Three Your Answer: Three Multiple Choice Multiple Answer Question: Features that encourages the wide spread use of ATM in telecommunication are :- Correct Answer: High speed data rate , Low error rate , Low operating cost Your Answer: High speed data rate , Low error rate , Low operating cost True/False Question: Data rate of traditional Ethernet is 100Mbps. Correct Answer: False Your Answer: True Multiple Choice Multiple Answer Question: Point-to-point access protocol is :- Correct Answer: Internet protocol , Dedicated Internet protocol , Version of HDLC Your Answer: Internet protocol , Version of HDLC , Password authentication protocol Multiple Choice Multiple Answer Question: Channelization protocols are :- Correct Answer: TDMA , CDMA , FDMA Your Answer: TDMA , CDMA , FDMA Multiple Choice Multiple Answer Question: In ATM, connection between two end points is accomplished through :- Correct Answer: Transmission paths (TPs) , Virtual Paths (VPs) , Virtual circuits (VCs) Your Answer: Transmission paths (TPs) , Virtual Paths (VPs) , Virtual circuits (VCs) True/False Question: Devices on one network can communicate with device on another network via a gateway. Correct Answer: True

Your Answer: True Multiple Choice Multiple Answer Question: IPCP defines three categories of seven packets :- Correct Answer: Configure , Terminate , Code Your Answer: Configure , Code , Challenge Multiple Choice Single Answer Question: The cheapest modems can transmit :- Correct Answer: 300 bits per second Your Answer: 300 bits per second Multiple Choice Multiple Answer Question: The functions of ATM layers are :- Correct Answer: Routing , Switching , Multiplexing Your Answer: Routing , Switching , Bridging Select The Blank Question: Error control is based on ________. Correct Answer: ARQ Your Answer: Frame check sequence Multiple Choice Single Answer Question: CCITT.V series standards relate primarily to which area of data communication ? Correct Answer: Asynchronous communication Your Answer: ISDN Multiple Choice Single Answer Question: A bridge never forwards frames to :- Correct Answer: Blocking port Your Answer: Blocking port Select The Blank Question: In 100BaseT4 ________ is used as transmission media. Correct Answer: Twisted pair cable Your Answer: Fiber optic cable True/False Question: Half-duplex transmission limits communication in one direction at a time. Correct Answer: True Your Answer: True Select The Blank Question: In a ________ connection, more than two devices can share a single link. Correct Answer: Multipoint Your Answer: Multipoint Multiple Choice Multiple Answer Question: Frame Relay operates in :- Correct Answer: Physical Layer , Data link Layer Your Answer: Physical Layer , Data link Layer , Session Layer Select The Blank Question: The end-to-end delivery of the entire message is the responsibility of the ________ layer. Correct Answer: Network Your Answer: Transport Multiple Choice Multiple Answer Question: The features of TCP are :- Correct Answer: Connection oriented protocol , Reliable protocol , Stream transport layer protocol

Your Answer: Connection oriented protocol , Reliable protocol , Stream transport layer protocol Match The Following Question Correct Answer

Your Answer Multiplexing FDM

FDM Bounded Media Fiber optic cable Simplex Wireless Transmission Microwave

Fiber optic cable Highest Attention UTP cable

UTP cable Select The Blank Question: For 1000Base-T Gigabit Ethernet ________ line coding is used. Correct Answer: 4D /PAM 5 Your Answer: 8B /6T Multiple Choice Single Answer Question: Each station is assigned a unique code in :- Correct Answer: CDMA Your Answer: TDMA True/False Question: ATM cell size varies according to the size of data. Correct Answer: False Your Answer: True

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Multiple Choice Multiple AnswerQuestion: Point-to-point access protocol is :-Correct Answer: Version of HDLC , Internet protocol , Dedicated Internet protocol Your Answer: Internet protocol , Dedicated Internet protocol , Password authentication protocol Multiple Choice Multiple AnswerQuestion: TCP connection establishment uses :-Correct Answer: Three way handshake , Full duplex mode Your Answer: Two way handshake , Full duplex mode , Half duplex mode Multiple Choice Single AnswerQuestion: In OSI network architecture, the dialoge control and token management are the responsibilities of :-Correct Answer: Session layerYour Answer: Session layer True/FalseQuestion: Demodulation is the process of converting digital signals to analog signals.Correct Answer: FalseYour Answer: True Multiple Choice Single AnswerQuestion: Twisted -pair Ethernet is also known as :-Correct Answer: 10BASETYour Answer: 10BASET True/False

Question: Frequency-division multiplexer divides the high speed signal into frequency bands.Correct Answer: TrueYour Answer: False Multiple Choice Single AnswerQuestion: The oldest method of multiple access is :-Correct Answer: ALOHAYour Answer: CSMA / CA Multiple Choice Multiple AnswerQuestion: The versions of AAL layers are :-Correct Answer: AAL1 and AAL2 , AAL3/4 and AAL5 Your Answer: AAL3/4 and AAL5 Multiple Choice Multiple AnswerQuestion: In fast Ethernet functions of autonegotiation are :-Correct Answer: To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability Your Answer: To allow one device to have multiple capability , To allow station to check hub's capability , Management functions Select The BlankQuestion: For delivery the user datagram to the correct application program, UDP needs________.Correct Answer: Port addressYour Answer: Internet address Multiple Choice Single AnswerQuestion: In OSI network architecture, the routing is performed by :-Correct Answer: Network layerYour Answer: Transport layer True/FalseQuestion: A device that can convert digital signals to analog signals is a packet.Correct Answer: FalseYour Answer: False Multiple Choice Single AnswerQuestion: CCITT. I series standers relate primarily to which area of data communication ?Correct Answer: ISDNYour Answer: Asynchronous communication Select The BlankQuestion: The full abbreviation for AAL is________.Correct Answer: Application Adaptation layerYour Answer: Application Adaptation layer Select The BlankQuestion: IPv6 allows ________ addressing.Correct Answer: ClasslessYour Answer: Classless Select The BlankQuestion: Urgent data require the urgent pointer field as well as the URG bit in the ________ field.Correct Answer: ControlYour Answer: Control Select The Blank

Question: ________ topology requires a central controller or hub.Correct Answer: StarYour Answer: Star Multiple Choice Single AnswerQuestion: In Permanent Virtual Circuit (PVC), the connection between source and destination is set up :-Correct Answer: PermanentlyYour Answer: Permanently True/FalseQuestion: The data link layer, in reference to the OSI model, specifies the virtual circuit interface to packet-switched service.Correct Answer: FalseYour Answer: True Multiple Choice Multiple AnswerQuestion: In digital data transmission :-Correct Answer: Baud rate is always smaller than the bit rate , Baud rate is equal to bit rate Your Answer: Baud rate is always smaller than the bit rate , Baud rate is equal to bit rate True/FalseQuestion: For multicasting between two non contiguous multicast routers, a multicast backbone (MBONE) is used to enable tunneling.Correct Answer: TrueYour Answer: True Multiple Choice Multiple AnswerQuestion: Criteria for transparent bridge are :-Correct Answer: Frame address change , Forwarding table is automatically learning frame movements , Forward every frame Your Answer: Frame address change , Prevent loops , Forward every frame Multiple Choice Single AnswerQuestion: The wavelength of a signal depends on the :-Correct Answer: Frequencies of the signalYour Answer: Amplitude Multiple Choice Single AnswerQuestion: The physical path over which a message travels is :-Correct Answer: MediaYour Answer: Media Multiple Choice Single AnswerQuestion: Which organization develop the original RS - 232C specification?Correct Answer: EAIYour Answer: EAI Match The FollowingQuestion Correct Answer

Your AnswerServer Remote Host

Transport layer addressPort number Transport layer address

Transport layer addressSocket Address Combination of IP address and

Remote Hostport number

Client Local HostLocal Host

True/FalseQuestion: Devices on one network can communicate with device on another network via a gateway.Correct Answer: TrueYour Answer: True Multiple Choice Single AnswerQuestion: Fiber Optic Ethernet is also known as:-Correct Answer: 10BASEFYour Answer: 10BASE2 Multiple Choice Single AnswerQuestion: The data unit in user datagram protocol (UDP) is called as :-Correct Answer: DatagramYour Answer: Datagram Multiple Choice Multiple AnswerQuestion: In Switched Virtual Circuit (SVC) :-Correct Answer: Temporary connection is set up , Acknowledgement frames are used Your Answer: Temporary connection is set up Select The BlankQuestion: The ATM data packet is a cell composed of ________ bytes.Correct Answer: 53Your Answer: 64 True/FalseQuestion: The root bridge has largest ID.Correct Answer: FalseYour Answer: True Multiple Choice Multiple AnswerQuestion: A Bridge :-Correct Answer: Operates in physical and data link layer , Has filtering capability , Does not change physical address in the frame Your Answer: Operates in physical and data link layer , Has filtering capability , Does not change physical address in the frame Multiple Choice Multiple AnswerQuestion: Point-to-point (PPP) provides following services :-Correct Answer: Defining frame format , Defines link establishment , defines authentication process of devices Your Answer: Defines link establishment , defines authentication process of devices , Defines frame check True/FalseQuestion: ATM cell size varies according to the size of data.Correct Answer: FalseYour Answer: True Multiple Choice Single AnswerQuestion: A devices that links two homogeneous packet-broadcast local networks, is :-Correct Answer: BridgeYour Answer: Bridge Multiple Choice Single AnswerQuestion: Which of the following method is used for dedicated communications path between two

devices through one or more intermediate switching node?Correct Answer: Circuit switchingYour Answer: Packet switching Multiple Choice Multiple AnswerQuestion: Routers used in OSPF :-Correct Answer: Area border router , Backbone router , Autonomous system boundry router (ASBR) Your Answer: Buffer Router , Area border router , Autonomous system boundry router (ASBR) Select The BlankQuestion: Most modern versions of Ethernet use ________ as the transmission medium.Correct Answer: UTPYour Answer: Coaxial cable Multiple Choice Single AnswerQuestion: A bridge :-Correct Answer: Checks the destination address of a frame and decide whether it should be forwarded or droppedYour Answer: Checks the destination address of a frame and decide whether it should be forwarded or dropped Select The BlankQuestion: In Ethernet LAN ________ is the source address.Correct Answer: UnicastYour Answer: Unicast Match The FollowingQuestion Correct Answer

Your AnswerATM Real time transmission WANX.25 data rate 64 Kbps

64 KbpsT-1 carrier data rate1.54 Mbps

Real time transmissionFrame Relay data rate 1.544Mbps

1.544Mbps Multiple Choice Multiple AnswerQuestion: Modulation is used for :-Correct Answer: Reduce the band width , Reduce the antenna size , Transmit multiple signals Your Answer: Reduce the band width , Transmit multiple signals , Ensure good transmission quality True/FalseQuestion: Border Gateway Protocol (BGP) is an interautonomous routing protocol.Correct Answer: TrueYour Answer: True Select The BlankQuestion: In X.25 network layer protocol, the data contains________.Correct Answer: One octet of header plus dataYour Answer: Four octet of header plus data Multiple Choice Single AnswerQuestion: The number of steps involved in connection establishment phase of TCP are :-Correct Answer: ThreeYour Answer: Three

Select The BlankQuestion: The ________ timer keep a track of the time between the sending of segment and the receipt of an acknowledgement.Correct Answer: RetransmissionYour Answer: Retransmission

LIST OF ATTEMPTED QUESTIONS AND ANSWERS Select The BlankQuestion: The ________ field is used for error detection.Correct Answer: ChecksumYour Answer: Checksum Select The BlankQuestion: The TCP and UDP both protocols operate at ________.Correct Answer: Transport layerYour Answer: Transport layer True/FalseQuestion: Half-duplex transmission limits communication in one direction at a time.Correct Answer: TrueYour Answer: True True/FalseQuestion: Data rate of traditional Ethernet is 100Mbps.Correct Answer: FalseYour Answer: False Multiple Choice Single AnswerQuestion: According to the PPP transition state diagram, exchange of user control and data packets occurs in the :-Correct Answer: Networking stateYour Answer: Terminating state True/FalseQuestion: PHY sub layer is responsible for encoding and decoding.Correct Answer: TrueYour Answer: True True/FalseQuestion: IPv6 is also known as IPng.Correct Answer: TrueYour Answer: False Multiple Choice Multiple AnswerQuestion: The two steps of PAP :-Correct Answer: Authentication identification , Validity of information Your Answer: Validity of information , Manipulating the value and sends the result back Multiple Choice Single AnswerQuestion: In Switched Virtual Circuit (SVC), the connection between source and destination is set up :-Correct Answer: TemporarilyYour Answer: Temporarily Multiple Choice Single AnswerQuestion: Carrier is :-

Correct Answer: A continuous frequency capable of being modulated or impressed with a second signalYour Answer: A continuous frequency capable of being modulated or impressed with a second signal Multiple Choice Single AnswerQuestion: The retransmission of damaged or lost frames in the data link layer is known as :-Correct Answer: Error controlYour Answer: Error control Select The BlankQuestion: As frequency increases, the period________.Correct Answer: DecreasesYour Answer: Decreases Multiple Choice Multiple AnswerQuestion: CHAP packets include :-Correct Answer: Challenge , Response , Success and failure Your Answer: Challenge , Success and failure , Configuration Multiple Choice Single AnswerQuestion: Which organization has developed much of the original standards for LAN?Correct Answer: IEEEYour Answer: ISO Multiple Choice Single AnswerQuestion: Multicast backbone (MBONE) is a protocol used for :-Correct Answer: Multimedia and real time communicationYour Answer: Instant communication Multiple Choice Single AnswerQuestion: Two - state(binary) communications systems are better than single state systems because :-Correct Answer: The components are more reliableYour Answer: The components are more reliable Multiple Choice Multiple AnswerQuestion: Protocol used for authentication in PPP :-Correct Answer: PAP (Password Authentication Protocol) , CHAP (Challenge Handshake Protocol) Your Answer: PAP (Password Authentication Protocol) Multiple Choice Multiple AnswerQuestion: Congestion prevention policies for data link layer areCorrect Answer: Flow control policy , Acknowledgement policy , Retransmission policy Your Answer: Flow control policy , Retransmission policy , Multicasting policy Select The BlankQuestion: In 100 Base TX Ethernet ________ line coding is used.Correct Answer: 4B /5BYour Answer: 4B /5B True/FalseQuestion: Gateway is used for modulation and demodulation.

Correct Answer: FalseYour Answer: False Match The FollowingQuestion Correct Answer

Your AnswerRouter Limitations of 10 Base T

Fast NetworkBridge Uses tables for filtering decisions Broadband domainsRepeater No filtering capacity

Limitations of 10 Base THub Increase length

No filtering capacity Multiple Choice Single AnswerQuestion: Routing with an autonomous system is referred as :-Correct Answer: Interior routingYour Answer: Interior routing Multiple Choice Single AnswerQuestion: The main functional difference between circuit switched digital networks (CSDN) and packet-switched digital network(PSDN)isCorrect Answer: That a CSDN establishes a permanent connection between two nodes where PSDN uses a virtual circuitYour Answer: That more data can be transmitted Select The BlankQuestion: In ________ multiple frames can be in transit at the same time. If there is an error only the unacknowledged frame is retransmitted.Correct Answer: Selective repeat ARQYour Answer: Stop-and-wait ARQ Multiple Choice Multiple AnswerQuestion: IPv6 address supports :-Correct Answer: Hexadecimal colon notation , CIDR address , Classless address Your Answer: Two-level address , Hexadecimal colon notation , CIDR address Multiple Choice Multiple AnswerQuestion: Types of Border Gateway Protocol (BGP) messagesCorrect Answer: Notification , Keep alive , Update Your Answer: Notification , Keep alive , Update Select The BlankQuestion: ATM defines ________ versions of application adaptation Layer(AAL).Correct Answer: FourYour Answer: Four Multiple Choice Multiple AnswerQuestion: Bit Stuffing is :-Correct Answer: Adding one extra ' 0' , Stuffing at sender , Removing at sender Your Answer: Adding one extra ' 0' , Stuffing at sender , Adding one extra '1' Multiple Choice Multiple AnswerQuestion: The functions of ATM layers are :-Correct Answer: Routing , Switching , Multiplexing Your Answer: Routing , Switching , Multiplexing Select The Blank

Question: The full abbreviation for AAL is________.Correct Answer: Application Adaptation layerYour Answer: Administrative Application Layer True/FalseQuestion: A medium access control technique for multiple access transmission media is amplitude.Correct Answer: FalseYour Answer: True Multiple Choice Multiple AnswerQuestion: Link control protocol (LCP) is responsible for :-Correct Answer: Establishing , Maintaining , Configuring Your Answer: Maintaining , Configuring , Controlling state True/FalseQuestion: A repeater connects two LANs of different protocols.Correct Answer: FalseYour Answer: True Multiple Choice Multiple AnswerQuestion: OSPF features are :-Correct Answer: Multiple circuit load balancing , Converge very quickly to network topology change , Not susceptible to routing loops Your Answer: Converge very quickly to network topology change , Not susceptible to routing loops , Fixed length subnetting Multiple Choice Single AnswerQuestion: A router determines the best path for a packet by consulting :-Correct Answer: Routing tableYour Answer: Network node Select The BlankQuestion: Flow control ________.Correct Answer: Prevents overflow at receiverYour Answer: Controls overflow at transmitter True/FalseQuestion: A bridge should be able to connect different LAN protocols.Correct Answer: TrueYour Answer: False Match The FollowingQuestion Correct Answer

Your AnswerProcess-to-process Transport layer

Network layerIPv6 Classless Addressing

Classful AddressingNode-to-node delivery Data link layer

Data link layerHost-to-host delivery Network layer

Transport layer Multiple Choice Single AnswerQuestion: Producer to handle collision is :-Correct Answer: CSMA / CDYour Answer: CSMA / CD True/FalseQuestion: Repeater operates in physical layer.Correct Answer: True

Your Answer: True True/FalseQuestion: The 5-7 digits are known as the country code of the Network User Address (NUA)Correct Answer: FalseYour Answer: True Multiple Choice Single AnswerQuestion: All of the parts in a computer talk to each other by sending :-Correct Answer: Digital signalsYour Answer: Digital and Analog Select The BlankQuestion: In fast Ethernet autonegotiation allows ________ negotiation.Correct Answer: Data rateYour Answer: BW Multiple Choice Single AnswerQuestion: CCITT.V series standards relate primarily to which area of data communication ?Correct Answer: Asynchronous communicationYour Answer: Wide area network Multiple Choice Multiple AnswerQuestion: The X.25 standard :-Correct Answer: Covers three OSI layers , Specifies a data bit rate , Specifies a DTE/DCE interface Your Answer: Specifies a data bit rate , Specifies a DTE/DCE interface Multiple Choice Single AnswerQuestion: In Permanent Virtual Circuit (PVC), the connection between source and destination is set up :-Correct Answer: PermanentlyYour Answer: Permanently Multiple Choice Multiple AnswerQuestion: Transition states of PPP are :-Correct Answer: Idle state , Establishment state , Authenticating state Your Answer: Establishment state , Authenticating state , Controlling state

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