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640-816Interconnecting Cisco Networking Devices Part 2

Exam number/code: 640-816Exam name: Interconnecting Cisco Networking Devices Part 2Questions & Answers: 543 Q&ARelated Certifications: CCNA, ICND

TestKing Cisco 640-816 Exam Questions & Answers

Question 1: Note: Please refer to the Configuration Network Scenario for further information. You connect a new PC TestKIngVII to the Fa0/4 interface of the TestKing6 switch. Whatdefault gateway address should be assigned to TestKingVII? A. 192.168.44.254B. 127.0.0.1C. 192.168.1.254D. 192.168.22.254E. 192.168.33.254 Explanation:Pending. Send your suggestion to feedback@testking.com

Question 2: You are a technician at TestKing. Your newly appointed TestKing trainee is setting up a newframe relay connection to a remote branch and wants to know what the valid options forframe relay LMI types are. What would your reply be? (Choose all that apply.) A. EIA/TIAB. Q.932C. Q.933 AD. IEEEE. IETFF. CiscoG. ANSI Answer: C,F,G Explanation:The following describe the various frame relay LMI options: Name Document IOS LMI-Type* Cisco Proprietary cisco* ANSI T1.617 Annex D ansi * ITU Q.933. Annex A q.933a You can set one of three types of LMIs on our devices: ANSI T1.617 Annex D, Cisco, andITU-T Q.933 Annex A. To do so, use the following commands beginning in interfaceconfiguration mode:Reference:CCNA Self-Study CCNA ICND exam certification Guide (Cisco Press, ISBN 1-58720-083-X)Page 382

Question 3: Non-contiguous networks can pose a problem for network reachability in certaincircumstances. Which of the following routing protocols have means of minimizing the risk?(Select three choices)

Exam: 640-816 Certification Questions & Answers

TestKing Cisco 640-816 Exam Questions & Answers

A. RIP v1B. RIP v2C. EIGRPD. IGRPE. OSPFF. VLSM Answer: B,C,E Explanation:OSPF, RIP version 2, and EIGRP all provide support for discontiguous networks . This isprovided by the fact that subnet mask information is advertised along with the routes, andthese protocols all support Variable Length Subnet Masks (VLSM).Incorrect Answers:A: Whenever RIP version 1 advertises a network across a different major net boundary, RIPsummarizes the advertised network at the major net boundary. RIP version 2 is an updatedversion of RIP, and one of the main features that it was able to provide over RIPv1 issupport for VLSM information.D: IGRP does not support VLSM. Like RIP version 2, EIGRP is the updated version of IGRP,which provides support for VLSM.F: VLSM is the feature that is required to support non-contiguous networks, but VLSM is notitself a routing protocol.

Question 4: The administrator of the TestKing network needs to ensure that a web server in theirnetwork is accessible from the Internet. Since the network uses private addressing, thisrequires an IP-to-registered-address mapping. The following command is entered on therouter: TestKing1(config)# ip nat inside source static 192.168.2.1 198.18.1.254 After unsuccessful results from a ping to the Internet, the administrator issues the show ipnat translations command and the output is blank. What could be the problem with the NATconfiguration for this mapping? A. The keyword overload is missing from the command.B. The administrator needs to define a NAT pool first.C. An access list must be defined to create static NAT translations.D. The interfaces need to be configured for NAT. Answer: D Explanation:After configuring the static NAT administrator should configure the NAT on interface in orderto define which interfaces are on the outside and which are on the inside:Example:interface s0ip nat outside à Because s0 interface is connected to ISPinterface e0ip nat inside à Because e0 interface is connected to Local LAN.Incorrect Answers:A: These are all tasks that need to be configured when performing many to one NAT, alsoknown as Port Address Translation (PAT). In this example, we are specifying a static 1-1NAT entry.B: These are all tasks that need to be configured when performing many to one NAT, alsoknown as Port Address Translation (PAT). In this example, we are specifying a static 1-1NAT entry.C: These are all tasks that need to be configured when performing many to one NAT, alsoknown as Port Address Translation (PAT). In this example, we are specifying a static 1-1NAT entry.

TestKing Cisco 640-816 Exam Questions & Answers

Question 5: Network Topology Exhibit:

TestKing1 configuration Exhibit:

You work as a network technician at TestKing.com. Study the exhibit carefully.Router TestKing1 is unable to reach Router TestKing2. Both routers are running IOS version12.0. After reviewing the command output and graphic, what is the most likely cause of theproblem? A. Incorrect IP addressingB. Incorrect bandwidth statement configurationC. Incorrect frame-relay map statementD. Incorrect LMI configurationE. None of the other alternatives apply Answer: C Explanation:The local DLCI needs to be specified in the "frame-relay map" configuration statement toreach the neighboring frame-relay router. In this case DLCI 100 is used to reach172.16.100.1, so the correct configuration statement should be "frame-relay map ip172.16.100.1 100 broadcast."

Question 6: Exhibit:

TestKing Cisco 640-816 Exam Questions & Answers

Router TestKing2 is part of an OSPF network. You issues the "show ip protocols" commandon this router as shown in the exhibit. Based on the information shown, why was TestKing2not elected as the designated router? A. TestKing2 is not advertising the interface with address 221.130.149.10.B. The OSPF process ID of TestKing2 is lower than the process ID of the elected DR.C. The interface address of TestKing2 is a higher value than the interface address of theDR.D. TestKing 2has a lower OSPF priority value than the router elected as DR.E. None of the other alternatives apply Answer: D Explanation:On broadcast and non-broadcast multi-access networks, a designated router and backupdesignated router are elected. The election is done by first choosing the routers with thehighest priority value or, if the priorities are same, choosing the routers with the highestrouter ID. The router ID is chosen by the highest IP address on any loopback interface or, ifno loopback interfaces are configured, the highest IP address on any active physicalinterface.Note: Referring to the exhibit of the "show ip protocols" command: Router ID is:221.130.149.10 but this network is not advertised using network command on OSPF. OSPFdoes not need to route this network in order for it to be used as the router ID, so the otherrouter must have a higher priority value, or it has been simply up longer since this electionprocess is not preemptive (this was not one of the choices).

Question 7: What are some of the characteristics of a typical VLAN arrangement, found throughout theTestKing switched LAN? (Select all that apply) A. VLANs logically divide a switch into multiple, independent switches at Layer 2.B. Trunk links can carry traffic for multiple VLANs.C. VLAN implementation significantly increases traffic due to added trunking information.D. A VLAN can span multiple switches.E. VLANs typically increase the number of switches neededF. VLANs typically decrease the number of switches needed Answer: A,B,D

TestKing Cisco 640-816 Exam Questions & Answers

Explanation:VLANs give you the power of making virtual LAN networks to subdivide collision domainsinto smaller units of functionality, without being limited by physical location.A is correct because that is the exact function of a VLAN. B is correct because trunk linksare used to carry traffic for multiple VLANs. D is correct because a VLAN can and often doesspan across multiple switches. VTP makes this possible.Incorrect Answers:C: Although trunking information does indeed add some level of overhead, the overall trafficoverhead is greatly reduced though the use of VLANs.E: The number of total switches needed in a network is the result of the number of deviceson the entire LAN that need to be connected. Whether VLANs are used or not will have little,if any, impact on the total number of switches needed in a LAN.F: The number of total switches needed in a network is the result of the number of deviceson the entire LAN that need to be connected. Whether VLANs are used or not will have little,if any, impact on the total number of switches needed in a LAN.

Question 8: Exhibit:

You work as a network technician at TestKing.com. You study the exhibit carefully. Switchport FastEthernet 0/24 on Switch TestKing2 will be used to create an IEEE 802.1Q-compliant trunk to another switch. Based on the output shown, what is the reason the trunkdoes not form, even though the proper cabling has been attached?

TestKing Cisco 640-816 Exam Questions & Answers

A. The port is currently configured for access mode.B. VLANs have not been created yet.C. The correct encapsulation type has not been configured.D. An IP address must be configured for the port.E. The no shutdown command has not been entered for the port. Answer: A Explanation:A port on a Cisco switch is either an access port or a trunk port. Access ports belong to asingle VLAN and do not provide any identifying marks on the frames that are passedbetween switches. Access ports also carry traffic that comes from only the VLAN assignedto the port. A trunk port is by default a member of all the VLANs that exist on the switch andcarry traffic for all those VLANs between the switches. To distinguish between the trafficflows, a trunk port must mark the frames with special tags as they pass between theswitches. Trunking is a function that must be enabled on both sides of a link. If two switchesare connected together, for example, both switch ports must be configured for trunking, andthey must both be configured with the same tagging mechanism (ISL or 802.1Q). As can beseen in the output of this question, fa0/24 is configured as an access port, not a trunk port.Reference: http://www.ciscopress.com/articles/article.asp?p=29803&seqNum=3

Question 9: You need to configure VTP for use in the TestKing switching environment. What are twobenefits of using VTP in this network? (Choose two) A. It allows ports to be assigned to VLANs automatically.B. It allows VLAN information to be automatically propagated throughout the switchingenvironment.C. It maintains VLAN consistency across a switched network.D. It allows frames from multiple VLANs to use a single interface.E. It allows switches to read frame tags. Answer: B,C Explanation:VTP minimizes the possible configuration inconsistencies that arise when changes aremade. These inconsistencies can result in security violations, because VLANs cancrossconnect when duplicate names are used. They also could become internallydisconnected when they are mapped from one LAN type to another, for example, Ethernet toATM LANE ELANs or FDDI 802.10 VLANs. VTP provides a mapping scheme that enablesseamless trunking within a network employing mixed-media technologies.VTP provides the following benefits: VLAN configuration consistency across the networkMapping scheme that allows a VLAN to be trunked over mixed media Accurate tracking andmonitoring of VLANs Dynamic reporting of added VLANs across the network Plug-and-playconfiguration when adding new VLANs

Question 10: TestKing has three locations and has plans to redesign the network accordingly. Thenetworking team received 192.168.151.0 to use as the addressing for entire network fromthe administrator. After subnetting the address, the team is ready to assign the address. The administrator plans to configure ip subnet-zero and use RIP v2 as the routing protocol.As a member of the networking team, you must address the network and at the same timeconverse unused addresses for future growth. Being mindful of these goals, drag the host addresses on the left to the correct routerinterface. One of the routers is partially configured. Move the mouse over a router to view its

TestKing Cisco 640-816 Exam Questions & Answers

configuration (** This information is missing**). Not all of the host addresses on the left willbe used.

Answer:

Explanation:

Question 11: In the TestKing switched LAN environment, what does the IEEE 802.1Q standard describe? A. VLAN pruningB. A method of VLAN trunkingC. An approach to wireless LAN communicationD. The operation of VTPE. The process for root bridge selectionF. None of the other alternatives apply Answer: B

TestKing Cisco 640-816 Exam Questions & Answers

Explanation:A broadcast domain must sometimes exist on more than one switch in the network. Toaccomplish this, one switch must send frames to another switch and indicate which VLAN aparticular frame belongs to. On Cisco switches, a trunk link is created to accomplish thisVLAN identification. ISL and IEEE 802.1Q are different methods of putting a VLAN identifierin a Layer 2 frame.The IEEE 802.1Q protocol interconnects VLANs between multiple switches, routers, andservers. With 802.1Q, a network administrator can define a VLAN topology to span multiplephysical devices.Cisco switches support IEEE 802.1Q for FastEthernet and Gigabit Ethernet interfaces. An802.1Q trunk link provides VLAN identification by adding a 4-byte tag to an Ethernet Frameas it leaves a trunk port.

Question 12: Two TestKing switches are connected together as shown below:

Switches TK1 and TK2 have been configured with a trunked line that has been verified asworking correctly. However, VTP is not propagating VLANs from one switch to the other.Based on the command output shown, what is the problem? A. The revision number is not the same on both switches.B. Only one switch can be in server mode.C. The VTP domain name is not correctly configured.D. VLANs have not been configured on the VTP server.E. The VTP pruning mode is not correctly configured. Answer: C

TestKing Cisco 640-816 Exam Questions & Answers

Explanation:VTP messages are exchanged between switches within a common VTP domain. In theoutput shown, VTP domain name of switch TK1 is JAX and domain name of switch TK2 isJAK. As the VTP domain names are different so these two switches will not exchange theVTP Information.Reference: http://www.ciscopress.com/articles/article.asp?p=29803&seqNum=4&rl=1

Question 13: It has become necessary to configure an existing serial interface to accept a second FrameRelay virtual circuit. Which of the following procedures are required to accomplish this task?(Choose three.) A. Encapsulate the physical interface withmultipoint PPP.B. Configure static Frame Relay map entries for each subinterface network.C. Disable split horizon to prevent routing loops between the subinterface networks.D. Remove the IP address from the physical interface.E. Create the virtual interfaces with the interface command.F. Configure each subinterface with its own IP address. Answer: D,E,F Explanation:Normally, when only one logical virtual circuit (PVC) is assigned to a router it is placed onthe physical serial interface. To accept a second PVC, subinterfaces must be created, witheach PVC using its own logical interface as shown in the example below: interface serial 0encapsulation frame-relayinterface serial 0.1 point-to-pointip address 10.0.1.1 255.255.255.0frame-relay interface-dlci 142interface serial 0.2 multipointip address 10.0.2.1 255.255.255.0frame-relay map 10.0.2.2 118 In this example, two virtual circuits are used (one pt-pt and one point-multipoint), each withits own IP address. Note that the physical serial 0 interface was not assigned an IP address.

Question 14: Network Topology Exhibit:

TestKing1 interface exhibit:

TestKing Cisco 640-816 Exam Questions & Answers

The TestKing network shown in the exhibit has just been installed. Host TestKingB canaccess the Internet, but it is unable to ping host TestKingC. What is most likely the problemwith this configuration? A. The switch port connected to the router is incorrectly configured as an access port.B. The address of host TestKingC is incorrect.C. The gateway for host TestKingB is in a different subnet than the host is on.D. The switch port that sends VLAN 13 frames from the switch to the router is shut down.E. Host TestKingB should be in VLAN 13. Answer: B Explanation:Since we know that TestKingB can access the Internet, we know that connectivity from theswitch to the router is functioning correctly. An incorrect IP address on TestKingC is themost probably problem given the list of choices.Incorrect Answers:A: It this were the case, the traffic to the Internet would be affected.C: It this were the case, the traffic to the Internet would be affected.D: A single port configured as a trunk on the switch is used to connect to the router. If it wereshut down, all traffic would be affected including the Internet traffic from host TestKingB.E: Since host TestKingB can access the internet, it has been properly configured for VLAN12. Section 6: Configure, verify, and troubleshoot VTP (17 questions)

Question 15: Part of the TestKing network is shown in the following topology exhibit:

In this network, an access list has been designed to prevent HTTP traffic from theaccounting department from reaching the TestKingI server attached to the TestKing2 router.Which of the following access lists will accomplish this task when grouped with the e0interface on the TestKing router? A. permit ip any anydeny tcp 172.17.17.252 0.0.0.0 172.16.16.0 0.0.0.255 eq 80B. deny tcp 172.17.17.252 0.0.0.0 172.16.16.0 0.0.0.255 eq 80permit ip any any

TestKing Cisco 640-816 Exam Questions & Answers

C. deny tcp 172.16.16.0 0.0.0.255 172.17.17.252 0.0.0.0 eq 80permit ip any anyD. permit ip any naydeny tcp 172.16.16.0 0.0.0.255 172.17.17.252 0.0.0.0 eq 80E. None of the other alternatives apply Answer: C

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TestKing Cisco 640-816 Exam Questions & Answers