EIGRP and OSPF Questions and Answers

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EIGRP and OSPF questions with answers are essential for students preparing for networking-based aptitude tests and IT placement exams. These routing protocols—Enhanced Interior Gateway Routing Protocol (EIGRP) and Open Shortest Path First (OSPF)—form the backbone of dynamic routing in computer networks. Understanding how they differ in metrics, convergence, and scalability helps candidates tackle technical questions confidently during interviews or online tests. Many top companies like Cisco, Wipro, and Infosys include EIGRP and OSPF aptitude questions in their placement exams to assess core networking skills. This section covers key multiple-choice questions, explanations, and examples to help you master routing concepts, prepare for certifications, and practice effectively for networking interviews or competitive exams.

EIGRP and OSPF

Showing 10 of 43 questions

11. What are reasons for creating OSPF in a hierarchical design?     To decrease routing overhead     To speed up convergence     To confine network instability to single areas of the network     To make configuring OSPF easier

  • 1, 2 and 3
  • 3 only
  • 3 and 4
  • 2, 3 nd 4
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12. If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

  • The lowest IP address of any physical interface
  • The highest IP address of any physical interface
  • The lowest IP address of any logical interface
  • The highest IP address of any logical interface
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13. Which of the following protocols support VLSM, summarization, and discontiguous networking?     RIPv1     IGRP     EIGRP     OSPF     BGP     RIPv2

  • 1 and 4
  • 2 and 5
  • 3, 4 and 6
  • All of the above
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14. You get a call from a network administrator who tells you that he typed the following into his router: Router(config)#router ospf 1 Router(config-router)#network 10.0.0.0 255.0.0.0 area 0 He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?

  • The wildcard mask is incorrect.
  • The OSPF area is wrong.
  • The OSPF Process ID is incorrect.
  • The AS configuration is wrong.
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15. Which of the following network types have a designated router and a backup designated router assigned?     Broadcast     Point-to-point     NBMA     NBMA point-to-point

  • 1, 2 and 3
  • 1 and 3
  • 3 and 4
  • All of the above
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16. Which type of OSPF network will elect a backup designated router?     Broadcast multi-access     Non-broadcast multi-access     Point-to-point     Broadcast multipoint

  • 1 and 2
  • 3 and 4
  • 3 only
  • None of the above
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17. You need the IP address of the devices with which the router has established an adjacency. Also, the retransmit interval and the queue counts for the adjacent routers need to be checked. What command will display the required information?

  • show ip eigrp adjacency
  • show ip eigrp topology
  • show ip eigrp interfaces
  • show ip eigrp neighbors
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18. Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?     Switch     NIC     Hub     Repeater     RJ45 transceiver

  • 1 only
  • 1 and 3
  • 3 and 4
  • 5 only
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19. Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.

  • 3, 3, 1, 7
  • 3, 2, 1, none
  • 3, 2, 1, 7
  • 3, 3, 2, none
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20. Which of the following describe router functions?

  • Packet switching
  • Packet filtering
  • Internetwork communication
  • Path selection
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