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Which type of OSPF packet is used by a router to discover neighbor routers and establish neighbor adjacency?

  • link-state request
  • hello
  • database description
  • link-state update
Explanation & Hint:

In OSPF (Open Shortest Path First), the Hello packet is used by routers to discover neighbor routers on OSPF-enabled interfaces and to establish and maintain neighbor adjacencies. Hello packets are sent periodically on all OSPF interfaces, including virtual links, to establish and test the link to neighbors. If a router stops receiving Hello packets from a neighbor, after a specified interval, the neighbor relationship is considered down.

For more Questions and Answers:

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

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