Which three requirements are necessary for two OSPFv2 routers to form an adjacency? (Choose three.)

Last Updated on April 27, 2021 by Admin

Which three requirements are necessary for two OSPFv2 routers to form an adjacency? (Choose three.)

  • The two routers must include the inter-router link network in an OSPFv2 network command.
  • The OSPFv2 process is enabled on the interface by entering the ospf process area-id command.
  • The OSPF hello or dead timers on each router must match.
  • The OSPFv2 process ID must be the same on each router.
  • The link interface subnet masks must match.
  • The link interface on each router must be configured with a link-local address.
    Answers Explanation & Hints:

    The OSPFv2 process ID does not have to be the same on each router, and it is enabled globally, not separately on each interface. OSPFv3 (IPv6) uses link-local addresses to form an adjacency with a neighbor router, and requires the OSPF process to be enabled on the interface.

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