Refer to the Exhibit.

The four routers in the exhibit are participating in a multi-area OSPF topology. Node B (in the
upper right-hand corner) is an ASBR advertising an external route. Node A (lower left-hand corner)
receives the external route and begins to forward traffic to the ASBR.

How many hops will the packets take through this topology? (Do not count node A.)

A.
2

B.
3

C.
4

D.
5

Explanation: