004 - CCNA DAY 1 Q&A

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CCNA BOOT CAMPCCNA 1 Q&A

12CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and functions of various network devicesQuestion 1:










1112CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and functions of various network devices

SUMMARY OF ANSWERS:

Q1: DQ2: A and CQ3: B, E and FQ4: A, C and DQ5: A and D

1213CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksSelect the components required to meet a network specificationQuestion 1:




1617CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksSelect the components required to meet a network specificationQuestion 3: Two buildings on a must be connected to use Ethernet with a bandwidth of at least 100 Mbps. Which media type should be used for the connection if one is concerned about possible problems from voltage potential differences between the two buildings?A. Coaxial cable

B. Fiber optic cable

C. UTP cable

D. STP cable

E. None of the above

1718CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksSelect the components required to meet a network specificationQuestion 3: Two buildings on a must be connected to use Ethernet with a bandwidth of at least 100 Mbps. Which media type should be used for the connection if one is concerned about possible problems from voltage potential differences between the two buildings?A. Coaxial cable

B. Fiber optic cable

C. UTP cable

D. STP cable


1819CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksSelect the components required to meet a network specification

SUMMARY OF ANSWERS

Q1: B and DQ2: A, B and CQ3: B

1920CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 1: At which layers of the OSI Model do Wide Area Networks operate? (Choose two)A. Physical Layer

B. Datalink Layer

C. Network Layer

D. Session Layer

E. Transport Layer

F. Presentation Layer

G. Application Layer

2021CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 1: At which layers of the OSI Model do Wide Area Networks operate? (Choose two)A. Physical Layer

B. Datalink Layer

C. Network Layer

D. Session Layer

E. Transport Layer

F. Presentation Layer

G. Application Layer

2122CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 2: While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request time out. At which OSI layer is this problem associated with?A. The data link layer

B. The application layer

C. The access layer

D. The session layer

E. The network layer

2223CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 2: While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request time out. At which OSI layer is this problem associated with?A. The data link layer

B. The application layer

C. The access layer

D. The session layer

E. The network layer

2324CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 3: A host computer has been correctly configured with a static IP address, but the default gateway is incorrectly set. Which layer of the OSI model will be first affected by this configuration error?A. Layer 1E. Layer 5

B. Layer 2F. Layer 6

C. Layer 3G. Layer 7

D. Layer 4

2425CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 3: A host computer has been correctly configured with a static IP address, but the default gateway is incorrectly set. Which layer of the OSI model will be first affected by this configuration error?A. Layer 1E. Layer 5

B. Layer 2F. Layer 6

C. Layer 3G. Layer 7

D. Layer 4

2526CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 4: Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?A. Application

B. Presentation

C. Session

D. Transport

E. Network

F. Data-Link

2627CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 4: Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?A. Application

B. Presentation

C. Session

D. Transport

E. Network

F. Data-Link

2728CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 5: At which OSI layer is a logical path created between two host systems on a LAN?A. Physical

B. Session

C. Data link

D. Transport

E. Network

F. Application

G. Presentation

2829CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 5: At which OSI layer is a logical path created between two host systems on a LAN?A. Physical

B. Session

C. Data link

D. Transport

E. Network

F. Application

G. Presentation

2930CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 6: Which OSI layer is associated with the following: The acknowledgement of transmissions, sequencing, and flow control across a network?A. Layer 2

B. Layer 3

C. Layer 4

D. Layer 5

E. Layer 6

F. Layer 7

3031CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 6: Which OSI layer is associated with the following: The acknowledgement of transmissions, sequencing, and flow control across a network?A. Layer 2

B. Layer 3

C. Layer 4

D. Layer 5

E. Layer 6

F. Layer 7

3132CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 7: Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two)A. The presentation layer translates bits into voltages for transmission across the physical link.

B. The transport layer divides a data stream into segments and adds reliability and flow control information.

C. Packets are created when the network layer adds Layer 3 addresses and control information to a segment.

D. The data link layer adds physical source and destination addresses and an FCS to the segment.

E. Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.

3233CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 7: Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two)A. The presentation layer translates bits into voltages for transmission across the physical link.

B. The transport layer divides a data stream into segments and adds reliability and flow control information.

C. Packets are created when the network layer adds Layer 3 addresses and control information to a segment.

D. The data link layer adds physical source and destination addresses and an FCS to the segment.

E. Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.

3334CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 8: When files are transferred between a host and an FTP server, the data is divided into smaller pieces for transmission. As these pieces arrive at the destination host, they must be reassembled to reconstruct the original file. What provides for the reassembly of these pieces into the correct order?A. The sequence number in the TCP header

B. The Start Frame Delimiter in the 802.3 Preamble

C. The TTL in the IP header

D. The acknowledgement number in the segment header

E. The frame check sequence in the Ethernet frame trailer

3435CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.Question 8: When files are transferred between a host and an FTP server, the data is divided into smaller pieces for transmission. As these pieces arrive at the destination host, they must be reassembled to reconstruct the original file. What provides for the reassembly of these pieces into the correct order?A. The sequence number in the TCP header

B. The Start Frame Delimiter in the 802.3 Preamble

C. The TTL in the IP header

D. The acknowledgement number in the segment header

E. The frame check sequence in the Ethernet frame trailer

3536CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksUse the OSI and TCP/IP models and their associated protocols to explain how data flows in a network.

Question 9: Match the terms on the left with the appropriate OSI layer on the right.(Not all options are used.)


Question 10: What is the purpose of flow control in a data network?A. It ensures that data is retransmitted if an acknowledgment is not received.

B. It reassembles segments in the correct order on the destination device.

C. It provides a mechanism for the receiver to control the transmission speed.

D. It regulates the size of each datagram segment.

E. All of the above are functions of flow control


Question 10: What is the purpose of flow control in a data network?A. It ensures that data is retransmitted if an acknowledgment is not received.

B. It reassembles segments in the correct order on the destination device.

C. It provides a mechanism for the receiver to control the transmission speed.

D. It regulates the size of each datagram segment.

E. All of the above are functions of flow control


SUMMARY OF ANSWERSQ1: A and BQ6: CQ2: EQ7: B and CQ3: CQ8: AQ4: DQ9: Drag and dropQ5: EQ10: C

3940CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe common networked applications including web applications

Question 1: Which protocol below uses TCP port 443?A. HTML

B. HTTPS

C. TFTP

D. Telnet

E. SMTP

F. None of the above

4041CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe common networked applications including web applications

Question 1: Which protocol below uses TCP port 443?A. HTML

B. HTTPS

C. TFTP

D. Telnet

E. SMTP


4142CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP models

Question 2: Which of the protocols below use TCP at the transport layer? (Select four)A. TFTP

B. SMTP

C. SNMP

D. FTP

E. HTTP

F. HTTPS


Question 2: Which of the protocols below use TCP at the transport layer? (Select four)A. TFTP

B. SMTP

C. SNMP

D. FTP

E. HTTP

F. HTTPS


Question 3: Which fields are included in the TCP header? (Choose three).A. Source Port

B. Acknowledgement Number

C. Request Number

D. Destination Address

E. Window

F. Data


Question 3: Which fields are included in the TCP header? (Choose three).A. Source Port

B. Acknowledgement Number

C. Request Number

D. Destination Address

E. Window

F. Data


Question 4: A receiving host has failed to receive all of the segments that it should acknowledge.

What can the host do to improve the reliability of this communication session?A. Start a new session using UDP

B. Obtain a new IP address from the DHCP server

C. Use a different source port for the session

D. Decrease the sequence number

E. Decrease the window size


Question 4: A receiving host has failed to receive all of the segments that it should acknowledge.

What can the host do to improve the reliability of this communication session?A. Start a new session using UDP

B. Obtain a new IP address from the DHCP server

C. Use a different source port for the session

D. Decrease the sequence number

E. Decrease the window size

47CCNA 640-802 Exam Objectives48TOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 5: ICMP is often used in troubleshooting and verifying network. What statements are true regarding ICMP packets? (Choose two)A. They acknowledge receipt of TCP segments.

B. They guarantee datagram delivery.

C. They can provide hosts with information about network problems.

D. They are encapsulated within IP datagrams.

E. They are encapsulated within UDP datagrams.

F. They are encapsulated within TCP datagrams.

48CCNA 640-802 Exam Objectives49TOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 5: ICMP is often used in troubleshooting and verifying network. What statements are true regarding ICMP packets? (Choose two)A. They acknowledge receipt of TCP segments.

B. They guarantee datagram delivery.

C. They can provide hosts with information about network problems.

D. They are encapsulated within IP datagrams.

E. They are encapsulated within UDP datagrams.

F. They are encapsulated within TCP datagrams.

4950CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 6: Which of the following are types of flow control? (Choose three)A. Buffering

B. Cut-through

C. Windowing

D. Congestion avoidance

E. Load balancing

5051CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 6: Which of the following are types of flow control? (Choose three)A. Buffering

B. Cut-through

C. Windowing

D. Congestion avoidance

E. Load balancing

5152CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 7: FTP, Telnet, DNS, and SMTP are all protocols being used in a network. Of these, which uses both TCP and UDP ports?A. Telnet

B. FTP

C. DNS

D. SMTP


5253CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 7: FTP, Telnet, DNS, and SMTP are all protocols being used in a network. Of these, which uses both TCP and UDP ports?A. Telnet

B. FTP

C. DNS

D. SMTP


5354CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 8: What is the purpose of an Address Resolution Protocol (ARP) request message?A. It creates a session by passing a header with destination Layer 2 address to the transport layer.

B. It binds the IP address of a host to the network that it is on.

C. It encapsulates the Layer 3 address and then passes the packet to Layer 2.

D. It builds a correlation between an IP address and a MAC address.

E. It provides connectivity and path selection between hosts on a network.

5455CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 8: What is the purpose of an Address Resolution Protocol (ARP) request message?A. It creates a session by passing a header with destination Layer 2 address to the transport layer.

B. It binds the IP address of a host to the network that it is on.

C. It encapsulates the Layer 3 address and then passes the packet to Layer 2.

D. It builds a correlation between an IP address and a MAC address.

E. It provides connectivity and path selection between hosts on a network.

5556CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 9: A TCP/IP transfer is diagrammed in the exhibit. A window size of three has been negotiated for this data transfer. Which message will be returned from thereceiver to the sender as part of this TCP/IP transfer?A. Send ACK 1-3

B. Send ACK 3

C. Send ACK 4

D. Send ACK 4-6

5657CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 9: A TCP/IP transfer is diagrammed in the exhibit. A window size of three has been negotiated for this data transfer. Which message will be returned from thereceiver to the sender as part of this TCP/IP transfer?A. Send ACK 1-3

B. Send ACK 3

C. Send ACK 4

D. Send ACK 4-6

57

58CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 10:

58

59CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the purpose and basic operation of the protocols in the OSI and TCP modelsQuestion 10:


SUMMARY OF ANSWERS:Q1: B Q6: A, C and DQ2: B, D, E and FQ7: CQ3: A, B and EQ8: DQ4: EQ9: CQ5: C and DQ10: D

6061CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the impact of applications (Voice Over IP and Video Over IP) on a networkQuestion 1: A company is installing IP phones in a new office. The phones and office computers connect to the same device. To ensure maximum throughout for the phone data sessions, the company needs to make sure that the phone traffic is on a different network from that of the office computer data traffic. What is the best network device to which to directly connect the phones and computers and what technology should be implemented on this device? (Choose two)

A. VLANE. Switch

B. SubinterfaceF. Router

C. STPG. Wireless Access Point

D. HubH. VTP

6162CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the impact of applications (Voice Over IP and Video Over IP) on a networkQuestion 1: A company is installing IP phones in a new office. The phones and office computers connect to the same device. To ensure maximum throughout for the phone data sessions, the company needs to make sure that the phone traffic is on a different network from that of the office computer data traffic. What is the best network device to which to directly connect the phones and computers and what technology should be implemented on this device? (Choose two)

A. VLANE. Switch

B. SubinterfaceF. Router

C. STPG. Wireless Access Point

D. HubH. VTP

6263CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the impact of applications (Voice Over IP and Video Over IP) on a networkQuestion 2: The corporate head office has a teleconferencing system that uses VOIP(voice over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence, what will happen?A. UDP will send an ICMP Information Request to the source host.

B. UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

C. UDP will drop the datagrams.

D. UDP will use the sequence numbers in the datagram headers to reassemble the data in the correct order.

E. UDP will not acknowledge the datagrams and wait for a retransmission of the datagrams.

6364CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the impact of applications (Voice Over IP and Video Over IP) on a networkQuestion 2: The corporate head office has a teleconferencing system that uses VOIP(voice over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence, what will happen?A. UDP will send an ICMP Information Request to the source host.

B. UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

C. UDP will drop the datagrams.

D. UDP will use the sequence numbers in the datagram headers to reassemble the data in the correct order.

E. UDP will not acknowledge the datagrams and wait for a retransmission of the datagrams.

6465CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the impact of applications (Voice Over IP and Video Over IP) on a network

SUMMARY OF ANSWERS:

Q1: A and EQ2: B

6566CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksInterpret network diagramsQuestion 1:

6667CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksInterpret network diagramsQuestion 1:

6768CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksInterpret network diagramsQuestion 2: A technician is investigating a problem with the network shown above. These symptoms have been observed:

1. All of the user hosts can access the Internet.2. None of the user hosts can access the server in VLAN93. All of the hosts can ping each other.

What could cause the symptoms?A. Interface S0/0 on the router is down.

B. Interface Fa1/0 on the router is down.

C. Interface Fa0/4 on Testking3 is down.

D. Trunking is not enabled on the link between Testking1 and Testking3.

6869CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksInterpret network diagramsQuestion 2: A technician is investigating a problem with the network shown above. These symptoms have been observed:

1. All of the user hosts can access the Internet.2. None of the user hosts can access the server in VLAN93. All of the hosts can ping each other.

What could cause the symptoms?A. Interface S0/0 on the router is down.

B. Interface Fa1/0 on the router is down.

C. Interface Fa0/4 on Testking3 is down.

D. Trunking is not enabled on the link between Testking1 and Testking3.

6970CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksInterpret network diagrams

7071CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksInterpret network diagramsQuestion 3: What symbol represents a type of device that is connected to interface FastEthernet 0/23 of the 2960 switch Sw1-2960?

7172CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksInterpret network diagramsQuestion 3: What symbol represents a type of device that is connected to interface FastEthernet 0/23 of the 2960 switch Sw1-2960?

7273CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksInterpret network diagrams

SUMMARY OF ANSWERS:

Q1: A and FQ2: CQ3: D

7374CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDetermine the path between two hosts across a networkQuestion 1: After Host A pings Host B, which entry will be in the ARP cache of Host A to support this transmission?

7475CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDetermine the path between two hosts across a networkQuestion 1: After Host A pings Host B, which entry will be in the ARP cache of Host A to support this transmission?

7576CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDetermine the path between two hosts across a networkQuestion 2:












8788CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDetermine the path between two hosts across a network

SUMMARY OF ANSWERS:Q1: DQ2: AQ3: BQ4: A and FQ5: BQ6: CQ7: A

8889CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the components required for network and Internet communicationsQuestion 1: The network consists of a small office with twenty-five employees that has one connection to the Internet through the R1. What routing configurations are recommended on the R1 and ISP routers?A. BGP on both the routers.

B. RIP on both the routers.

C. Default routes on both routers.

D. BGP on the ISP router and a static route on R1.

E. A default route on R1 and a static route on the ISP router.


8990CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the components required for network and Internet communicationsQuestion 1: The network consists of a small office with twenty-five employees that has one connection to the Internet through the R1. What routing configurations are recommended on the R1 and ISP routers?A. BGP on both the routers.

B. RIP on both the routers.

C. Default routes on both routers.

D. BGP on the ISP router and a static route on R1.

E. A default route on R1 and a static route on the ISP router.


9091CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the components required for network and Internet communicationsQuestion 2: Users at R1 wish to utilize the existing Internet connection at R2. To do this, a gateway of last resort needs to be set. What is the command to do this?A. R1(config)# ip route 172.16.4.2 0.0.0.0 0.0.0.0

B. R1(config)# ip route 0.0.0.0 0.0.0.0 S1

C. R1(config)# ip route 172.16.4.1 0.0.0.0 0.0.0.0

D. R1(config)# ip route S0 0.0.0.0 0.0.0.0

E. R1(config)# ip route 0.0.0.0 0.0.0.0 172.16.4.2


9192CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the components required for network and Internet communicationsQuestion 2: Users at R1 wish to utilize the existing Internet connection at R2. To do this, a gateway of last resort needs to be set. What is the command to do this?A. R1(config)# ip route 172.16.4.2 0.0.0.0 0.0.0.0

B. R1(config)# ip route 0.0.0.0 0.0.0.0 S1

C. R1(config)# ip route 172.16.4.1 0.0.0.0 0.0.0.0

D. R1(config)# ip route S0 0.0.0.0 0.0.0.0

E. R1(config)# ip route 0.0.0.0 0.0.0.0 172.16.4.2


9293CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the components required for network and Internet communicationsQuestion 3: In the ISP link to the WAN, you must complete the connection between the router to the service provider. To accomplish this task, which two devices could be installed at the router site to provide a connection through the local loop to the CO of the provider? (Choose two)A. Multiplexer

B. WAN switch

C. ATM switch

D. CSU/DSU

E. PVC

F. Modem

9394CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the components required for network and Internet communicationsQuestion 3: In the ISP link to the WAN, you must complete the connection between the router to the service provider. To accomplish this task, which two devices could be installed at the router site to provide a connection through the local loop to the CO of the provider? (Choose two)A. Multiplexer

B. WAN switch

C. ATM switch

D. CSU/DSU

E. PVC

F. Modem

9495CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksDescribe the components required for network and Internet communications

SUMMARY OF ANSWERS:Q1: EQ2: EQ3: D and F

9596CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksIdentify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approachQUESTION 1: What IOS command gives layer 3 information for of the directly connected router interfaces?A. show ip linksB. show cdp neighborC. show cdp neighbor detailD. show ip clientsE. show ip route

9697CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksIdentify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approachQUESTION 1: What IOS command gives layer 3 information for of the directly connected router interfaces?A. show ip linksB. show cdp neighborC. show cdp neighbor detailD. show ip clientsE. show ip route

9798CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksIdentify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approachQUESTION 2: A technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?A. Physical

B. Data link

C. Network layer

D. Transport layer

E. Application layer

9899CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksIdentify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approachQUESTION 2: A technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?A. Physical

B. Data link

C. Network layer

D. Transport layer

E. Application layer

99100CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksIdentify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approachQUESTION 3: The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three)

100101CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksIdentify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approachQUESTION 3: The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three)A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

B. Ensure that cables A and B are straight-through cables.

C. Ensure cable A is plugged into a trunk port.

D. Ensure that switch has power.

E. Reboot all of the devices.

F. Reseat all cables.

101102CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksIdentify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approachQUESTION 3: The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three)A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

B. Ensure that cables A and B are straight-through cables.

C. Ensure cable A is plugged into a trunk port.

D. Ensure that switch has power.

E. Reboot all of the devices.

F. Reseat all cables.

102103CCNA 640-802 Exam ObjectivesTOPIC 1: Describe how a network worksIdentify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approach

SUMMARY OF ANSWERS:

Q1: CQ2: BQ3: B, D and F

103There are no boot system commands in a router configuration in NVRAM. What is the fallback sequence that the router will use to find an IOS during reload?

TFTP server, Flash, NVRAMROM, NVRAM, TFTP serverNVRAM, TFTP server, ROMFlash, TFTP server, ROMFlash, NVRAM, ROM

104

There are no boot system commands in a router configuration in NVRAM. What is the fallback sequence that the router will use to find an IOS during reload?

TFTP server, Flash, NVRAMROM, NVRAM, TFTP serverNVRAM, TFTP server, ROMFlash, TFTP server, ROMFlash, NVRAM, ROM

105

During startup, the router displays the following error message:

Boot: cannot open flash:

What will the router do next?

Because of damaged flash memory, the router will fail the POSTIt will attempt to locate the IOS from TFTP server. If this fails, it will initiate the setup dialogIt will attempt to locate the TFTP server. If this fails, it will load a limited IOS from ROM.It will attempt to locate the configuration file from a TFTP server. If this fails, it will initiate the setup dialog.It will attempt to locate the configuration file from the TFTP server. If this fails, it will load a limited configuration from ROM.

106

During startup, the router displays the following error message:

Boot: cannot open flash:

What will the router do next?

Because of damaged flash memory, the router will fail the POSTIt will attempt to locate the IOS from TFTP server. If this fails, it will initiate the setup dialogIt will attempt to locate the TFTP server. If this fails, it will load a limited IOS from ROM.It will attempt to locate the configuration file from a TFTP server. If this fails, it will initiate the setup dialog.It will attempt to locate the configuration file from the TFTP server. If this fails, it will load a limited configuration from ROM.

107

When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error?

The new IOS image is too large for the router flash memoryThe TFTP server is unreachable from the routerThe new IOS image is not correct for this router platformThe IOS image on the TFTP server is corruptThere is not enough disk space on the TFTP server for the IOS image

108

When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error?

The new IOS image is too large for the router flash memoryThe TFTP server is unreachable from the routerThe new IOS image is not correct for this router platformThe IOS image on the TFTP server is corruptThere is not enough disk space on the TFTP server for the IOS image

109

Refer to the exhibit. For what two reasons has the router loaded its IOS image from the location that is shown? (Choose two)

110


Router 1 has specific boot system commands that instruct it to load IOS from a TFTP server.Router 1 is acting as a TFTP server for other routers.Router 1 cannot locate a valid IOS image in flash memory.Router 1 defaulted to ROMMON mode and loaded the IOS image from a TFTP serverCisco routers will first attempt to load an image from TFTP for management purposes

111


Router 1 has specific boot system commands that instruct it to load IOS from a TFTP server.Router 1 is acting as a TFTP server for other routers.Router 1 cannot locate a valid IOS image in flash memory.Router 1 defaulted to ROMMON mode and loaded the IOS image from a TFTP serverCisco routers will first attempt to load an image from TFTP for management purposes

112

Refer to the exhibit. A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of testing, what could be the problem?

A remote physical problem existsThe host NIC is not functioningTCP/IP has not been correctly installed on the hostA local physical layer problem exists

113



114



115

Refer to the exhibit. The network administrator has verified that a functioning cable connects Switch 1 and Switch 2. From the output that is shown, what two pieces of information can the administrator validly conclude? (choose two)

116


Using a source MAC of 0009.11f3.8849, switch 2 is sending frames to switch 1

Interface fa0/1 on switch 1 is in shutdown state

The status of fa0/2 should be checked on switch 2

There is likely to be an IP address issue on switch 1 fa0/1

The interface is functional at OSI layer 1

117


Using a source MAC of 0009.11f3.8849, switch 2 is sending frames to switch 1

Interface fa0/1 on switch 1 is in shutdown state

The status of fa0/2 should be checked on switch 2

There is likely to be an IP address issue on switch 1 fa0/1

The interface is functional at OSI layer 1

118

DNS servers provide what service?

Given an IP address, they determine the name of the host that is sought

They convert domain names into IP addresses

They run a spell check on host names to ensure accurate routing

They map individual hosts to their specific IP addresses119

DNS servers provide what service?

Given an IP address, they determine the name of the host that is sought

They convert domain names into IP addresses

They run a spell check on host names to ensure accurate routing

They map individual hosts to their specific IP addresses120

A Cisco router is booting and has completed the POST process. It is now ready to find and load an IOS image. What function does the router perform next?

It checks the configuration register

It attempts to boot from a TFTP server

It loads the first image file in flash memory

It inspects the configuration file in NVRAM for boot instructions

121

A Cisco router is booting and has completed the POST process. It is now ready to find and load an IOS image. What function does the router perform next?

It checks the configuration register

It attempts to boot from a TFTP server

It loads the first image file in flash memory

It inspects the configuration file in NVRAM for boot instructions

122

Refer to the exhibit. On an external corporate router, the network administrator enters the MOTD configuration that is shown in the upper box. The administrator then logs into the router and sees the login screen dialog that is shown in the lower box. Why does the intended message not display?The network administrator defined an illegal delimiting character in the MOTD commandMOTD banner text may contain only letters and numbersThe IOS image on this router does not support the MOTD configuration shownThe MOTD delimiting character appeared in the body of the text*The banner message exceed the number of characters allowed

123

Refer to the exhibit. On an external corporate router, the network administrator enters the MOTD configuration that is shown in the upper box. The administrator then logs into the router and sees the login screen dialog that is shown in the lower box. Why does the intended message not display?

The network administrator defined an illegal delimiting character in the MOTD command

MOTD banner text may contain only letters and numbers

The IOS image on this router does not support the MOTD configuration shown

The MOTD delimiting character appeared in the body of the text

The banner message exceed the number of characters allowed

124

Refer to the exhibit. On an external corporate router, the network administrator enters the MOTD configuration that is shown in the upper box. The administrator then logs into the router and sees the login screen dialog that is shown in the lower box. Why does the intended message not display?

The network administrator defined an illegal delimiting character in the MOTD command

MOTD banner text may contain only letters and numbers

The IOS image on this router does not support the MOTD configuration shown

The MOTD delimiting character appeared in the body of the text

The banner message exceed the number of characters allowed

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126

Refer to the exhibit. What is the reason that the interface status is administratively down, line protocol down?

There is no encapsulation type configured

There is a mismatch in encapsulation types

The interface is not receiving any keepalives

The interface has been configured with the shutdown command

The interface needs to be configured as a DTE device

The wrong type of cable is connected to the interface

127

Refer to the exhibit. What is the reason that the interface status is administratively down, line protocol down?

There is no encapsulation type configured

There is a mismatch in encapsulation types

The interface is not receiving any keepalives

The interface has been configured with the shutdown command

The interface needs to be configured as a DTE device

The wrong type of cable is connected to the interface

128

004 - CCNA DAY 1 Q&A

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