Quiz  /  Eigrp and ospf Class 12 MCQ Questions With Answers

  • 1. 
    Refer to the exhibit. If the switch reboots and all routers have to re-establish OSPF adjacencies, which routers will become the new DR and BDR?

  • Router R3 will become the DR and router R1 will become the BDR.
  • Router R4 will become the DR and router R3 will become the BDR.
  • Router R1 will become the DR and router R2 will become the BDR.
  • Router R3 will become the DR and router R2 will become the BDR.

  • 2. 
    Refer to the exhibit. How does router R1 handle traffic to 192.168.12.16?EIGRP: 192.168.12.0/24RIP: 192.168.12.0/27OSPF: 192.168.12.0/26

  • A. It selects the IS-IS route because it has the shortest prefix inclusive of the destination address
  • B. It selects the EIGRP route because it has the lowest administrative distance
  • C. It selects the OSPF route because it has the lowest cost
  • D. It selects the RIP route because it has the longest prefix inclusive of the destination address

  • 3. 
    A user configured OSPF in a single area between two routers. A serial interface connecting R1 and R2 is running encapsulation PPP. By default which OSPF network type is seen on this interface when the user types show ip ospf interface on R1 or R2?

  • A. point-to-multipoint
  • B. broadcast
  • C. point-to-point
  • D. non-broadcast

  • 4. 
    Refer to the exhibit. What action establishes the OSPF neighbor relationship without forming an adjacency?

  • modify priority
  • modify process ID
  • modify hello interval
  • modify network type

  • 5. 
    Refer to the exhibit. Which type of route does R1 use to reach host 10.10.13.10/32?

  • A. floating static route
  • B. host route
  • C. default route
  • D. network route

  • 6. 
    Refer to the exhibit. Which command would you use to configure a static route on Router 1 to network 192.168.202.0/24 with a nondefault administrative distance?

  • A. router1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 1
  • B. router1(config)#ip route 192.168.202.0 255.255.255.0 192.168.201.2 5
  • C. router1(config)#ip route 1 192.168.201.1 255.255.255.0 192.168.201.2
  • D. router1(config)#ip route 5 192.168.202.0 255.255.255.0 192.168.201.2

  • 7. 
    What is the purpose of the show ip ospf interface command?

  • displaying OSPF-related interface information
  • displaying general information about OSPF routing processes
  • displaying OSPF neighbor information on a per-interface basis
  • displaying OSPF neighbor information on a per-interface-type basis

  • 8. 
    Refer to the exhibit. Which path is used by the router for Internet traffic?R1#show ip routeGateway of last resort is 10.10.11.2 to network 0.0.0.0209.165.200.0/27 is subnetted, 1 subnetsB 209.165.200.224 [20/0] via 10.10.12.2, 00:10:34 10.0.0.0/8 is variably subnetted, 4 subnets, 3 masksC 10.10.10.0/28 is directly connected, GigabitEthernet0/0C 10.10.11.0/30 is directly connected, FastEthernet2/0C 10.10.13.0/30 [110/2] via 10.10.10.1, 00:03:34, GigabitEthernet0/0C 10.10.12.0/30 is directly connected, GigabitEthernet0/1S* 0.0.0.0/0 [1/0] via 10.10.11.2Switch1#show ip routeGateway of last resort is not set 10.0.0.0/8 is variably subnetted, 2 subnets, 2 masksC 10.10.10.0/28 is directly connected, FastEthernet0/1C 10.10.13.0/24 is directly connected, VLAN20

  • A. 209.165.200.0/27
  • B. 10.10.10.0/28
  • C. 0.0.0.0/0
  • D. 10.10.13.0/24

  • 9. 
    R1 has learned route 192.168.12.0/24 via IS-IS, OSPF, RIP and Internal EIGRP. Under normal operating conditions, which routing protocol is installed in the routing table?

  • IS-IS
  • RIP
  • Internal EIGRP
  • OSPF

  • 10. 
    Refer to the exhibit. How does router R1 handle traffic to 192.168.10.16?R1# show ip routeD 192.168.10.0/24 [90/2679326] via 192.168.1.1R 192.168.10.0/27 [120/3] via 192.168.1.2O 192.168.10.0/28 [110/2] via 192.168.1.3i L1 192.168.10.0/13 [115/30] via 192.168.1.4

  • A. It selects the IS-IS route because it has the shortest prefix inclusive of the destination address
  • B. It selects the RIP route because it has the longest prefix: inclusive of the destination address
  • C. It selects the OSPF route because it has the lowest cost
  • D. It selects the EIGRP route because it has the lowest administrative distance

  • 11. 
    Refer to the exhibit. Which prefix does Router 1 use for traffic to Host A?Router1#show ip routeGateway of last resort is 10.10.11.2 to network 0.0.0.0 209.165.200.0/27 is sudnetted, 1 subnetsB 209.165.200.224 [20/0] via 10.10.12.2, 03:03:03 209.165.201.0/27 is sudnetted, 1 subnetsB 209.165.201.0 [20/0] via 10.10.12.2, 03:03:03 209.165.202.0/27 is subnetted, 1 subnetsB 209.165.202.128 [20/0] via 10.10.12.2, 03:03:03 10.0.0.0/8 is variably subnetted, 8 subnets, 4 masksC 10.10.10.0/28 is directly connected, GigabitEthernet0/0C 10.10.11.0/30 is directly connected, FastEthernet2/0C 10.10.12.0/30 is directly connected, GigabitEthernet0/1O 10.10.13.0/25 [110/2] via 10.10.10.1, 00:00:03, GigabitEthernet0/0O 10.10.13.128/28 [110/2] via 10.10.10.1, 00:00:03, GigabitEthernet0/0O 10.10.13.144/28 [110/2] via 10.10.10.1, 00:00:03, GigabitEthernet0/0O 10.10.13.160/29 [110/2] via 10.10.10.1, 00:00:03, GigabitEthernet0/0O 10.10.13.208/29 [110/2] via 10.10.10.1, 00:00:03, GigabitEthernet0/0S* 0.0.0.0/0 [1/0] via 10.10.11.2

  • A. 10.10.10.0/28
  • B. 10.10.13.0/25
  • C. 10.10.13.144/28
  • D. 10.10.13.208/29

  • 12. 
    Refer to the exhibit. Router R2 is configured with multiple routes to reach network 10 1.1 0/24 from router R1. What protocol is chosen by router R2 to reach the destination network 10.1 1 0/24?

  • OSPF
  • static
  • EIGRP
  • eBGP

  • 13. 
    Refer to the exhibit. When PC 1 sends a packet to PC2, the packet has which source and destination IP address when it arrives at interface Gi0/0 on router R2?

  • A. source 192.168.10.10 and destination 10.10.2.2
  • B. source 192.168.20.10 and destination 192.168.20.1
  • C. source 192.168.10.10 and destination 192.168.20.10
  • D. source 10.10.1.1 and destination 10.10.2.2

  • 14. 
    Refer to the exhibit. The default-information originate command is configured under the R1 OSPF configuration. After testing, workstations on VLAN 20 at Site B cannot reach a DNS server on the Internet.Which action corrects the configuration issue?

  • Add the default-information originate command on R2
  • Add the always keyword to the default-information originate command on R1
  • Configure the ip route 0.0.0.0 0.0.0.0 10.10.10.18 command on R1
  • Configure the ip route 0.0.0.0 0.0.0.0 10.10.10.2 command on R2

  • 15. 
    Refer to the exhibit. If configuring a static default route on the router with the ip route 0.0.0.0 0.0.0.0 10.13.0.1 120 command, how does the router respond?Gateway of last resort is 10.12.0.1 to network 0.0.0.0O*E2 0.0.0.0/0 [110/1] via 10.12.0.1, 00:00:01, GigabitEthernet0/0 10.0.0.0/8 is variably subnetted, 2 subnets, 2 masksC 10.0.0.0/24 is directly connected, GigabitEthernet0/0L 10.0.0.2/32 is directly connected, GigabitEthernet0/0C 10.13.0.0/24 is directly connected, GigabitEthernet0/1L 10.13.0.2/32 is directly connected, GigabitEthernet0/1

  • A. It ignores the new static route until the existing OSPF default route is removed
  • B. It immediately replaces the existing OSPF route in the routing table with the newly configured static route
  • C. It starts load-balancing traffic between the two default routes
  • D. It starts sending traffic without a specific matching entry in the routing table to GigabitEthernet0/1

  • 16. 
    Which attribute does a router use to select the best path when two or more different routes to the same destination exist from two different routing protocols?

  • A. dual algorithm
  • B. metric
  • C. administrative distance
  • D. hop count

  • 17. 
    A user configured OSPF and advertised the Gigabit Ethernet interface in OSPF. By default, which type of OSPF network does this interface belong to?

  • A. point-to-multipoint
  • B. point-to-point
  • C. broadcast
  • D. nonbroadcast

  • 18. 
    A packet is destined for 10.10.1.22. Which static route does the router choose to forward the packet?

  • A. ip route 10.10.1.0 255.255.255.240 10.10.255.1
  • B. ip route 10.10.1.16 255.255.255.252 10.10.255.1
  • C. ip route 10.10.1.20 255.255.255.252 10.10.255.1
  • D. ip route 10.10.1.20 255.255.255.254 10.10.255.1

  • 19. 
    An engineer configured an OSPF neighbor as a designated router. Which state verifies the designated router is in the proper mode?

  • Exchange
  • 2-way
  • Full
  • Init

  • 20. 
    When a floating static route is configured, which action ensures that the backup route is used when the primary route falls?

  • A. The floating static route must have a higher administrative distance than the primary route so it is used as a backup
  • B. The administrative distance must be higher on the primary route so that the backup route becomes secondary
  • C. The floating static route must have a lower administrative distance than the primary route so it is used as a backup
  • D. The default-information originate command must be configured for the route to be installed into the routing table

  • 21. 
    You have configured a router with an OSPF router ID, but its IP address still reflects the physical interface. Which action can you take to correct the problem in the least disruptive way?

  • Reload the OSPF process
  • Reload the router
  • Save the router configuration
  • Specify a loopback address

  • 22. 
    Router A learns the same route from two different neighbors, one of the neighbor routers is an OSPF neighbor and the other is an EIGRP neighbor. What is the administrative distance of the route that will be installed in the routing table?

  • A. 20
  • B. 90
  • C. 110
  • D. 115

  • 23. 
    Refer to the exhibit. After the configuration is applied, the two routers fail to establish an OSPF neighbor relationship. what is the reason for the problem?

  • The OSPF router IDs are mismatched
  • Router2 is using the default hello timer
  • The network statement on Router1 is misconfigured
  • The OSPF process IDs are mismatched

  • 24. 
    Refer to the exhibit. What is the next hop address for traffic that is destined to host 10.0.1.5?

  • Loopback 0
  • 10.0.1.4
  • 10.0.1.50
  • 10.0.1.3

  • 25. 
    R1 has learned route 10.10.10.0/24 via numerous routing protocols. Which route is installed?

  • A. route with the lowest cost
  • B. route with the next hop that has the highest IP
  • C. route with the shortest prefix length
  • D. route with the lowest administrative distance
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