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Which of the parameters in Hello messages exchanged between two OSPF neighbors must be the same to keep the ad

Which of the parameters in Hello messages exchanged between two OSPF neighbors must
be the same to keep the adjacency alive in OSPF? (Choose four.)

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A.
Authentication password.

B.
Router priority.

C.
Hello interval.

D.
Area ID.

E.
Interface MTU.

F.
Dead interval.

Explanation:

5 Comments on “Which of the parameters in Hello messages exchanged between two OSPF neighbors must be the same to keep the ad

  1. Mark says:

    ACDF
    Area ID – Used for OSPF hierarchy; it must be configured even if there is only a single area. It must be the same on all adjacent routers.
    Password – Used only for OSPF authentication
    Hello Interval – The interval at which hello packets are sent; defaults to 10 seconds
    Dead Interval – The time OSPF waits without receiving a hello packet to mark a neighbor down; defaults to 40 seconds




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