Cisco Certified Network Professional (CCNP) Question:

How does OSPF determine an interarea shortest path?

CCNP Interview Question
CCNP Interview Question

Answer:

First, calculate the shortest path to an ABR.

Second, calculate the shortest path across area 0 to an ABR that is attached to the destination area.

Third, calculate the shortest path across the destination area from the ABR to the destination network.


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