Chapter 4 Test

21 Questions  I  By MSalmons
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Chapter 4 test. Multiple choice questions, please answer them all

  
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  • 1. 
    Which command or set of commands will stop the RIP routing process?
    • A. 

      RouterB(config-router)# shutdown

    • B. 

      RouterB(config)# router rip

    • C. 

      RouterB(config-router)# network no 192.168.2.0

    • D. 

      RouterB(config)# no router rip

    • E. 

      RouterB(config)# router no rip


  • 2. 
    When does a distance vector routing protocol set a hold-down timer on a route?
    • A. 

      When the metric value of the route decreases

    • B. 

      When the route is marked as inaccessible

    • C. 

      When the metric value for the route improves

    • D. 

      When a regular update is received from a neighboring router


  • 3. 
    Which of the following functions are performed by a router as routing information travels through the network? (Choose two.)
    • A. 

      Advertise supported applications

    • B. 

      Identify new destinations

    • C. 

      Calculate packet speed

    • D. 

      Identify invalid networks


  • 4. 
    What do distance vector algorithms require each router in the network to send?
    • A. 

      A partial routing table to each router in the LAN

    • B. 

      A partial routing table to each router in the WAN

    • C. 

      The entire routing table to each neighboring router

    • D. 

      The entire routing table to each router in the autonomous system


  • 5. 
    What actions will occur after RouterA loses connectivity to network 114.125.16.0? (Choose two.)
    • A. 

      RouterB will include network 123.92.76.0 and 136.125.85.0 in its update to RouterA.

    • B. 

      During the next update interval, RouterB will send a RIP update out both ports that includes the inaccessible network.

    • C. 

      During the next update interval, RouterC will send an update to RouterB stating that network 114.125.16.0 is accessible in 2 hops.

    • D. 

      Router C will learn of the loss of connectivity to network 114.125.16.0 from RouterB.

    • E. 

      RouterB will include network 123.92.76.0 and 136.125.85.0 in its update to RouterC.


  • 6. 
    Refer to the exhibit. Assuming default settings are configured, which routing protocol has been configured on the router?
    • A. 

      OSPF

    • B. 

      RIP

    • C. 

      EIGRP

    • D. 

      BGP

    • E. 

      Static


  • 7. 
    Which command will display RIP activity as it occurs on a router?
    • A. 

      Debug ip rip

    • B. 

      Show ip route

    • C. 

      Show ip interface

    • D. 

      Show ip protocols

    • E. 

      Debug ip rip config


  • 8. 
    Which of the following methods does split horizon use to reduce incorrect routing information?
    • A. 

      Routing updates are split in half to reduce the update time.

    • B. 

      Information learned from one source is not distributed back to that source.

    • C. 

      New route information must be learned from multiple sources to be accepted.

    • D. 

      The time between updates is split in half to speed convergence.

    • E. 

      New route information is suppressed until the system has converged.


  • 9. 
    According to the router output from the show ip route command shown above, which of the following statements are true? (Choose two.)
    • A. 

      The metric to network 192.168.8.0 is 24.

    • B. 

      The hop count to a device on network 192.168.8.0 is 2.

    • C. 

      The total path cost to network 192.168.4.0 is the default value of 16.

    • D. 

      The logical address of the next router for network 192.168.1.0 is 192.168.3.1.

    • E. 

      The devices on network 192.168.5.0 cannot be reached as indicated by the 'C' label.


  • 10. 
    How would an administrator configure a static route for use if a primary route failed?
    • A. 

      Configure the route with a metric greater than the default value

    • B. 

      Configure the route and the router will activate it as needed

    • C. 

      Configure the route to activate by using the redistribute static command

    • D. 

      Configure the route with an administrative distance greater than the default value


  • 11. 
    Which statements describe RIP? (Choose three.)
    • A. 

      The maximum metric value is 15 hops.

    • B. 

      Routing updates occur every 30 seconds.

    • C. 

      Routing updates occur every 90 seconds.

    • D. 

      It is a distance vector routing protocol.

    • E. 

      It is a link state routing protocol.


  • 12. 
    A router has routes to several subnets of a classful network in its routing table. A default route is defined on the router but the ip classless command is disabled. If the router receives packets for a subnet that is not in its routing table but is in the same classful network as the other subnets, what will happen to the packets?
    • A. 

      The packets will be forwarded using the default route.

    • B. 

      The packets will be forwarded using a route to one of the other subnets of the classful network.

    • C. 

      A nonreachable message will be returned to the source.

    • D. 

      The packets will be discarded.

    • E. 

      The router will generate a new route to the subnetted network.


  • 13. 
    The administrator of the network depicted in the graphic would like to decrease the network's convergence time. How can this be accomplished?
    • A. 

      Disable split horizon on the routers

    • B. 

      Increase the update interval on the routers

    • C. 

      Change the RIP holddown timer to 96 seconds

    • D. 

      Change the RIP holddown timer to 226 seconds


  • 14. 
    If the passive interface command is enabled on the fa0/0 interface of Router E, which statements are true? (Choose two.)
    • A. 

      Router E will send all routing updates via interface fa0/0.

    • B. 

      Router E will ignore all routing updates learned via interface fa0/0.

    • C. 

      Router E will use routing updates learned via interface fa0/0.

    • D. 

      Router E will not send routing updates via interface fa0/0.


  • 15. 
    Which statements describe load balancing when RIP is configured as the routing protocol? (Choose two.)
    • A. 

      A router is allowed to take advantage of multiple best paths to a given destination.

    • B. 

      RIP uses the round robin approach in load balancing.

    • C. 

      RIP load balancing selects a single path to forward all data to the destination even though equal parallel paths exist.

    • D. 

      RIP load balancing is based on bandwidth first and then the hop count.

    • E. 

      Only one path to a destination can be statically assigned or dynamically calculated.


  • 16. 
    The graphic shows a network that is configured to use RIP routing protocol. Router2 detects that the link to Router1 has gone down. It then advertises the network for this link with a hop count metric of 16. Which routing loop prevention mechanism is in effect?
    • A. 

      Split horizon

    • B. 

      Error condition

    • C. 

      Hold-down timer

    • D. 

      Route poisoning

    • E. 

      Count to infinity


  • 17. 
    Which of the following would be the correct command sequence to enable RIP on Router B for all connected networks?
    • A. 

      RouterB# router rip RouterB(router)# network 210.36.7.0 RouterB(router)# network 220.17.29.0 RouterB(router)# network 211.168.74.0

    • B. 

      RouterB(config)# router rip RouterB(config-router)# network 198.16.4.0 RouterB(config-router)# network 211.168.74.0 RouterB(config-router)# network 199.84.32.0

    • C. 

      RouterB(config)# configure router rip RouterB(config-router)# network 210.36.7.0 RouterB(config-router)# network 199.84.32.0 RouterB(config-router)# network 211.168.74.0

    • D. 

      RouterB(config)# router rip RouterB(config-router)# network 198.16.4.0 RouterB(config-router)# network 210.36.7.0 RouterB(config-router)# network 211.168.74.0

    • E. 

      RouterB(config-router)# network 198.16.4.0 RouterB(config-router)# network 210.36.7.0 RouterB(config-router)# network 220.17.29.0


  • 18. 
    When a routing table update is received by a router in a distance vector network, which of the following occurs?
    • A. 

      The hop count metrics for the enclosed routes are incremented.

    • B. 

      The update is forwarded to the gateway router for verification.

    • C. 

      Path entries are checked for routing loops.

    • D. 

      The hop count metrics for the enclosed routes are decremented.

    • E. 

      Static routes are updated with the new information.


  • 19. 
    The following line was displayed in the output of the show ip route command: 192.168.3.0/24 [120/2] via 192.168.2.2, 00:00:30, Serial0/0 What is the administrative distance of the enabled routing protocol?
    • A. 

      2

    • B. 

      30

    • C. 

      100

    • D. 

      120


  • 20. 
    When does RIP send routing table updates? (Choose two.)
    • A. 

      Periodically, every 30 seconds

    • B. 

      Periodically, every 60 seconds

    • C. 

      Periodically, every 90 seconds

    • D. 

      If optionally configured, when topology changes occur (triggered-update)


  • 21. 
    What happens to a static route entry in a routing table when the outgoing interface is not available? *The route is removed from the table. • The router polls neighbors for a replacement route. • The route remains in the table because it was defined as static. • The router redirects the static route to compensate for the loss of the next hop device.
    • A. 

      The route is removed from the table.

    • B. 

      The router polls neighbors for a replacement route.

    • C. 

      The route remains in the table because it was defined as static.

    • D. 

      The router redirects the static route to compensate for the loss of the next hop device.


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