CCNA Chapter #9

22 Questions | Total Attempts: 650

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CCNA Chapter #9

CCNA Routing Protocols & Concepts. Chapter 9. EIGRP


Questions and Answers
  • 1. 
    On a router running EIGRP, what database would maintain a list of feasible successors?
    • A. 

      Routing table

    • B. 

      Neighbor table

    • C. 

      topology table

    • D. 

      Adjacency table

    • E. 

      ARP table

  • 2. 
    Refer to the exhibit. This is the debug output from 2 directly connected EIGRP routers. They are not forming an adjacency. What is the cause?
    • A. 

      One router is a non-cisco router

    • B. 

      they have different autonomous-system numbers

    • C. 

      They are using difference sequence numbers

    • D. 

      They are sending incorrect hello types

  • 3. 
    Refer to the exhibit. Which command will advertise the 192.168.1.64/30 network but not the 192.168.1.32 network on router A?
    • A. 

      Network 192.168.1.0

    • B. 

      Network 192.168.1.0 255.255.255.0

    • C. 

      network 192.168.1.64 0.0.0.3

    • D. 

      Network 192.168.1.64 0.0.0.7

    • E. 

      Network 192.168.1.64 0.0.0.255

  • 4. 
    What two actions will the EIGRP DUAL FSM take if a link to a network goes down? (Choose two.)
    • A. 

      Put the route into passive mode

    • B. 

      Query neighbors for a new route

    • C. 

      Search routing table for a feasible successor

    • D. 

      Run the SPF algorithm to find a new successor

    • E. 

      Search topology table for a feasible successor

  • 5. 
    Refer to the exhibit. What is indicated by the P at the beginning of the topology entry?
    • A. 

      The route is in a stable state

    • B. 

      The route is a preferred route

    • C. 

      DUAL is searching for a better route to this destination

    • D. 

      The exit interface is in passive mode and EIGRP advertisements are blocked

  • 6. 
    In which of the following tables does the EIGRP DUAL algorithm store the primary route to a destination? (Choose two.)
    • A. 

      routing

    • B. 

      topology

    • C. 

      Neighbor

    • D. 

      Path

    • E. 

      Shortest path

  • 7. 
    What information is maintained in the EIGRP topology database for a destination route? (Choose three.)
    • A. 

      the routing protocol

    • B. 

      The feasible distance of the route

    • C. 

      The highest cost of the route

    • D. 

      The SRTT value for the route

    • E. 

      The route cost as advertised by the neighboring router

  • 8. 
    Which of the following statements describes the bounded updates used by EIGRP?
    • A. 

      Partial updates are sent only to routers that need the information.

    • B. 

      The updates are sent to all routers in the routing table.

    • C. 

      Updates are bounded by the routers in the topology table.

    • D. 

      Updates are bounded by the routes in the ARP Table

  • 9. 
    Which of the following types of routes will be denoted by EX in EIGRP routing table entries? (Choose two.)
    • A. 

      Routes learned from other routing protocols

    • B. 

      Routes learned from any non-adjacent EIGRP routers

    • C. 

      any route with a hop count metric higher than 224

    • D. 

      EIGRP routes that originate in different autonomous systems

    • E. 

      All passive routes in the routing table

  • 10. 
    Host 192.168.1.66 in the network illustrated is unable to ping host 192.168.1.130. How must EIGRP be configured to enable connectivity between the two hosts? (Choose two.)
    • A. 

      R1(config-router)# network 192.168.1.128

    • B. 

      R1(config-router)# auto-summary

    • C. 

      R1(config-router)# no auto-summary

    • D. 

      R2(config-router)# no auto-summary

    • E. 

      R2(config-router)# auto-summary R2(config-router)# network 192.168.1.64

  • 11. 
    Which two statements describe characteristics of EIGRP? (Choose two.)
    • A. 

      EIGRP is a distance vector routing protocol.

    • B. 

      EIGRP supports classless routing and VLSM.

    • C. 

      EIGRP is classified as a link-state routing protocol.

    • D. 

      EIGRP uses TCP for reliable delivery of EIGRP update packets.

    • E. 

      With EIGRP, loop-free paths are achieved through the use of hold-down timers.

  • 12. 
    Refer to the exhibit. Based on the output of show ip eigrp neighbors, what are two possible problems with adjacencies between Router1 and Router2? (Choose two.)
    • A. 

      The routers are configured with different EIGRP process IDs.

    • B. 

      Automatic summarization was disabled.

    • C. 

      The hello timer for R1 was altered.

    • D. 

      The serial interfaces for both routers are in different networks.

    • E. 

      No feasible successors were found.

  • 13. 
    Refer to the exhibit. In the topology table, what do the numbers 3011840 and 3128695 represent?
    • A. 

      The route metric that is applied to those EIGRP routes for this router

    • B. 

      The trustworthiness of the routing information source

    • C. 

      the composite of the hop count and bandwidth to that destination network

    • D. 

      The total metric for that network as advertised by the EIGRP neighbor

  • 14. 
    Refer to the exhibit. EIGRP is the only routing protocol enabled on this network. No static routes are configured on this router. What can be concluded about network 198.18.1.0/24 from the exhibited output?
    • A. 

      A route to network 198.18.1.0/24 is not listed in the routing table.

    • B. 

      Packets that are destined for 198.18.1.0/24 will be forwarded to 198.18.10.6.

    • C. 

      EIGRP will perform equal cost load balancing across two paths when forwarding packets to 198.18.1.0/24.

    • D. 

      The router with interface 172.16.3.2 is a successor for network 198.18.1.0/24.

  • 15. 
    Refer to the exhibit. All interfaces have been configured with the bandwidths that are shown in the exhibit. Assuming that all routers are using a default configuration of EIGRP as their routing protocol, what path will packets take from the 172.16.1.0/16 network to the 192.168.200.0/24 network?
    • A. 

      A,B,E

    • B. 

      A,C,E

    • C. 

      A,D,E

    • D. 

      Packets will load balance across the A,B,E and A,C,E paths.

    • E. 

      Packets will load balance across the A,C,E and A,D,E paths.

  • 16. 
    By default, which two metrics are used by EIGRP to determine the best path between networks?
    • A. 

      MTU

    • B. 

      Load

    • C. 

      Delay

    • D. 

      Bandwidth

    • E. 

      Reliability

  • 17. 
    Which term defines a collection of networks under the administrative control of a single entity that presents a common routing policy to the Internet?
    • A. 

      Autonomous system

    • B. 

      Contiguous networks

    • C. 

      Process ID

    • D. 

      BGP

  • 18. 
    Refer to the exhibit. The company is using EIGRP with an autonomous system number of 10. Pings between hosts on networks that are connected to router A and those that are connected to router B are successful. However, users on the 192.168.3.0 network are unable to reach users on the 192.168.1.32 network. What is the most likely cause of this problem?
    • A. 

      IP classless is enabled and is causing the packet to drop.

    • B. 

      The command network 192.168.1.32 was not issued on router C.

    • C. 

      The routers are not configured in the same EIGRP routing domain.

    • D. 

      Automatic summarization of the networks is causing the subnetted routes to be dropped.

  • 19. 
    In the command router eigrp 20, what is the purpose of the number 20?
    • A. 

      Specifies the administrative distance for all EIGRP routes

    • B. 

      Identifies the autonomous system number this EIGRP process will advertise

    • C. 

      Determines what metric is added to all advertised routes

    • D. 

      Indicates the number of addresses in the EIGRP routing domain

  • 20. 
    The show ip eigrp topology command output on a router displays a successor route and a feasible successor route to network 192.168.1.0/24. In order to reduce processor utilization, what does EIGRP do when the primary route to this network fails?
    • A. 

      The router sends query packets to all EIGRP neighbors for a better route to network 192.168.1.0/24

    • B. 

      The DUAL FSM immediately recomputes the algorithm to calculate the next backup route.

    • C. 

      Packets that are destined for network 192.168.1.0/24 are sent out the default gateway instead.

    • D. 

      The backup route to network 192.168.1.0/24 is installed in the routing table.

  • 21. 
    What administrative distance would a router assign to a default route in EIGRP that is learned from a source external to the autonomous system?
    • A. 

      1

    • B. 

      5

    • C. 

      70

    • D. 

      90

    • E. 

      170

  • 22. 
    • A. 

      A query for network 192.168.0.0/28

    • B. 

      An acknowledgment packet to 224.0.0.9

    • C. 

      An update packet that is sent to 255.255.255.255

    • D. 

      A packet that contains the new routing table for R2

    • E. 

      Unicast update packets to 192.168.1.1 and 192.168.2.1