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A network engineer has noted that some expected network route entries are not displayed in the routing table. Which two commands will provide additional information about the state of router adjacencies, timer intervals, and the area ID? (Choose two.)

  • show running-configuration
  • show ip route ospf
  • show ip ospf interface
  • show ip protocols
  • show ip ospf neighbor
Explanation & Hint:

To provide additional information about the state of router adjacencies, timer intervals, and the area ID in the context of OSPF, the following two commands would be most useful:

  1. show ip ospf interface: This command displays detailed information about OSPF-enabled interfaces on the router, including the state of the interface, its area ID, and timer intervals such as hello and dead intervals, which are critical for forming and maintaining OSPF adjacencies.
  2. show ip ospf neighbor: This command provides information on OSPF neighbor relationships. It shows the state of the adjacency with each neighbor, which is crucial for understanding why certain routes may not appear in the routing table.

The other commands have different primary purposes:

  • show running-configuration: This command displays the current configuration on the router, which would not directly provide information about OSPF adjacencies or timer intervals unless specifically configured.
  • show ip route ospf: This command displays the routes learned via OSPF, but it does not provide detailed information about OSPF adjacencies or OSPF-specific timers and area IDs.
  • show ip protocols: This command provides a summary of the routing protocol configurations on the router, including timers and networks that OSPF is enabled on, but it does not show the state of OSPF adjacencies or detailed interface information.

Thus, for detailed OSPF adjacency state, area IDs, and timer intervals, “show ip ospf interface” and “show ip ospf neighbor” are the appropriate commands.

For more Questions and Answers:

CCNA 3 v7 – ENSA v7.02 Final Exam Answers Full 100%

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