OSPF, EIGRP, Bgp E Isl

41 Questions | Total Attempts: 181

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  • 1. 
    Which three statements about link-state routing are true? (Choose three)  
    • A. 

      It uses split horizon.

    • B. 

      Updates are sent to a broadcast address.

    • C. 

      RIP is a link-state protocol.

    • D. 

      Updates are sent to a multicast address by default.

    • E. 

      Routes are updated when a change in topology occurs.

    • F. 

      OSPF is a link-state protocol.

  • 2. 
    Which three characteristics are representative of a link-state routing protocol? (Choose three)  
    • A. 

      provides common view of entire topology

    • B. 

      Exchanges routing tables with neighbors

    • C. 

      Calculates shortest path

    • D. 

      Utilizes event-triggered updates

    • E. 

      Utilizes frequent periodic updates

  • 3. 
    What are two drawbacks of implementing a link-state routing protocol? (Choose two)  
    • A. 

      The sequencing and acknowledgment of link-state packets

    • B. 

      The high volume of link-state advertisements in a converged network

    • C. 

      The requirement for a hierarchical IP addressing scheme for optimal functionality

    • D. 

      The high demand on router resources to run the link-state routing algorithm

    • E. 

      The large size of the topology table listing all advertised routes in the converged network

  • 4. 
    Refer to the exhibit. Router edge-1 is unable to establish OSPF neighbor adjacency with router ISP-1. Which two configuration changes can you make on edge-1 to allow the two routers to establish adjacency? (Choose two)  
    • A. 

      ​​​​​​​Set the subnet mask on edge-1 to 255 255.255.252.

    • B. 

      Reduce the MTU on edge-1 to 1514.

    • C. 

      Set the OSPF cost on edge-1 to 1522.

    • D. 

      Reduce the MTU on edge-1 to 1500.

    • E. 

      Configure the ip ospf mtu-ignore command on the edge-1 Gi0/0 interface.

  • 5. 
    A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers cannot establish an adjacency relationship on their common Ethernet link. The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. Based on the information in the graphic, what is the cause of this problem?
    • A. 

      The OSPF area is not configured properly.

    • B. 

      The priority on R1 should be set higher.

    • C. 

      The cost on R1 should be set higher.

    • D. 

      The hello and dead timers are not configured properly.

    • E. 

      A backup designated router needs to be added to the network.

    • F. 

      The OSPF process ID numbers must match.

  • 6. 
    What routing protocol use first-hand information?  
    • A. 

      Link-state

    • B. 

      Distance-vector

    • C. 

      Path-vector

    • D. 

      Other

  • 7. 
    Refer to the exhibit. If R1 sends traffic to 192.168.10.45 the traffic is sent through which interface?
    • A. 

      FastEthernet0/1

    • B. 

      FastEthernet0/0

    • C. 

      FastEthernet1/0

    • D. 

      FastEthernet1/1

  • 8. 
    R1 is unable to establish an OSPF neighbor relationship with R3. What are possible reasons for this problem? (Choose two)
    • A. 

      All of the routers need to be configured for backbone Area 1.

    • B. 

      R1 and R2 are the DR and BDR, so OSPF will not establish neighbor adjacency with R3.

    • C. 

      A static route has been configured from R1 to R3 and prevents the neighbor adjacency from being established.

    • D. 

      The hello and dead interval timers are not set to the same values on R1 and R3.

    • E. 

      EIGRP is also configured on these routers with a lower administrative distance.

    • F. 

      R1 and R3 are configured in different areas.

  • 9. 
    Refer to the exhibit. You have discovered that computers on the 192.168.10.0/24 network can ping their default gateway, but they cannot connect to any resources on a remote network. Which reason for the problem is most likely true?
    • A. 

      The 192.168.12.0/24 network is missing from OSPF.

    • B. 

      The OSPF process ID is incorrect.

    • C. 

      The OSPF area number is incorrect.

    • D. 

      An ARP table entry is missing for 192.168.10.0.

    • E. 

      A VLAN number is incorrect for 192.168.10.0.

  • 10. 
    Which parameter or parameters are used to calculate OSPF cost in Cisco routers?  
    • A. 

      Bandwidth, Delay and MTU

    • B. 

      Bandwidth

    • C. 

      Bandwidth and MTU

    • D. 

      Bandwidth, MTU, Reliability, Delay and Load

  • 11. 
    What routing protocol use first-hand information from peers?  
    • A. 

      Link state

    • B. 

      Distance-vector

    • C. 

      path-vector

    • D. 

      Other

  • 12. 
    Which prefix does OSPFv3 use when multiple IPv6 address are configured on a single interface?  
    • A. 

      All prefix on the interface

    • B. 

      The prefix that the administrator configure for OSPFv3 use

    • C. 

      The lowest prefix on the interface

    • D. 

      The highest prefix on the interface

  • 13. 
    After you apply the given configuration to R1, you notice that it failed to enable OSPF. Which action can you take to correct the problem?
    • A. 

      Configure a loopback interface on R1

    • B. 

      Enable IPv6 unicast routing on R1

    • C. 

      Configure an IPv4 address on interface Fa0/0

    • D. 

      Configure an autonomous system number on OSPF

  • 14. 
    Refer to the exhibit. If R1 receives a packet destined to 172.16.1.1, to which IP address does it send the packet?
    • A. 

      192.168.14.4

    • B. 

      192.168.12.2

    • C. 

      192.168.13.3

    • D. 

      192.168.15.5

  • 15. 
    If two OSPF neighbors have formed complete adjacency and are exchanging link-state advertisements, which state have they reached?
    • A. 

      Exstart

    • B. 

      2-Way

    • C. 

      FULL

    • D. 

      Exchange

  • 16. 
    Which two steps must you perform on each device that is configured for IPv4 routing before you implement OSPFv3? (Choose two)
    • A. 

      Configure an autonomous system number

    • B. 

      Configure a loopback interface

    • C. 

      Configure a router ID

    • D. 

      Enable IPv6 on an interface

    • E. 

      Enable IPv6 unicast routing

  • 17. 
    Which command must you enter to enable OSPFv2 in an IPv4 network?
    • A. 

      Ip ospf hello-interval seconds

    • B. 

      Router ospfv2 process-id

    • C. 

      Router ospf value

    • D. 

      Router ospf process-id

  • 18. 
    Why do large OSPF networks use a hierarchical design? (Choose three)
    • A. 

      To confine network instability to single areas of the network

    • B. 

      To reduce the complexity of router configuration

    • C. 

      To speed up convergence

    • D. 

      To lower costs by replacing routers with distribution layer switches

    • E. 

      To decrease latency by increasing bandwidth

    • F. 

      To reduce routing overhead

  • 19. 
    After you apply the give configurations to R1 and R2 you notice that OSPFv3 fails to start. Which reason for the problem is most likely true?
    • A. 

      The area numbers on R1 and R2 are mismatched

    • B. 

      The IPv6 network addresses on R1 and R2 are mismatched

    • C. 

      The autonomous system numbers on R1 and R2 are mismatched

    • D. 

      The router ids on R1 and R2 are mismatched

  • 20. 
    When running OSPF, what would cause router A not to form an adjacency with router B?
    • A. 

      The loopback addresses are on different subnets.

    • B. 

      The values of the dead timers on the routers are different.

    • C. 

      Route summarization is enabled on both routers.

    • D. 

      The process identifier on router A is different than the process identifier on router

  • 21. 
    A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?
    • A. 

      Router# show ip eigrp neighbors

    • B. 

      Router# show ip eigrp interfaces

    • C. 

      Router# show ip eigrp adjacency

    • D. 

      Router# show ip eigrp topology

  • 22. 
    Which option describes a difference between EIGRP for IPv4 and IPv6?
    • A. 

      Only EIGRP for IPv6 advertises all connected networks.

    • B. 

      Only EIGRP for IPv6 requires a router ID to be configured under the routing process

    • C. 

      AS numbers are configured in EIGRP but not in EIGRPv3.

    • D. 

      Only EIGRP for IPv6 is enabled in the global configuration mode.

  • 23. 
    Which EIGRP for IPv6 command can you enter to view the link-local addresses of the neighbors of a device?
    • A. 

      Show ipv6 eigrp 20 interfaces

    • B. 

      Show ipv6 route eigrp

    • C. 

      Show ipv6 eigrp neighbors

    • D. 

      Show ip eigrp traffic

  • 24. 
    Which function allows EIGRP peers to receive notice of implementing topology changes?  
    • A. 

      Successors

    • B. 

      Advertised changes

    • C. 

      Goodbye messages

    • D. 

      Expiration of the hold timer

  • 25. 
    What are the address that will show at the “show ip route” if we configure the above statements? (Choose three)
    • A. 

      10.0.0.0

    • B. 

      10.4.3.0

    • C. 

      172.15.4.0

    • D. 

      172.15.0.0

    • E. 

      192.168.4.0

    • F. 

      192.168.0.0