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IP Routing MCQ Questions and Answers

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IP Routing MCQ Questions and Answers on Computer Network: Here learn IP Routing objective questions and answers on computer network and test online questions with answers.

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1) Which command displays RIP routing updates?

    show ip route
    debug ip rip
    show protocols
    debug ip route

Answer : B Discuss

2) What is split horizon?

    Information about a route should not be sent back in the direction from which the original update came.
    It splits the traffic when you have a large bus (horizon) physical network.
    It holds the regular updates from broadcasting to a downed link.
    It prevents regular update messages from reinstating a route that has gone down.

Answer : A Discuss

3) What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

    Router(config-if)# no routing
    Router(config-if)# passive-interface
    Router(config-router)# passive-interface s0
    Router(config-router)# no routing updates

Answer : C Discuss

4) Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

    The updated information will be added to the existing routing table.
    The update will be ignored and no further action will occur.
    The updated information will replace the existing routing table entry.
    The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.

Answer : B Discuss

5) You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?

    The route is 16 hops away.
    The route has a delay of 16 microseconds.
    The route is inaccessible.
    The route is queued at 16 messages a second.

Answer : C Discuss

6) If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?

    Any available route
    RIP route
    Static route
    IGRP route

Answer : C Discuss

7) What is route poisoning?

    It sends back the protocol received from a router as a poison pill, which stops the regular updates.
    It is information received from a router that can't be sent back to the originating router.
    It prevents regular update messages from reinstating a route that has just come up.
    It describes when a router sets the metric for a downed link to infinity.

Answer : D Discuss

8) Which of the following is true regarding RIPv2?

    It has a lower administrative distance than RIPv1.
    It converges faster than RIPv1.
    It has the same timers as RIPv1.
    It is harder to configure than RIPv1.

Answer : C Discuss

9) A network administrator views the output from the show ip route command. A network that is advertised by both RIP and IGRP appears in the routing table flagged as an IGRP route. Why is the RIP route to this network not used in the routing table?

    IGRP has a faster update timer.
    IGRP has a lower administrative distance.
    RIP has a higher metric value for that route.
    The IGRP route has fewer hops.

Answer : B Discuss

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