When verifying OSPF virtual link problems, which is an important item to check on the two transit
OSPF routers?

A.
OSPF process ID

B.
OSPF router ID

C.
OSPF network type

D.
OSPF memory usage

E.
OSPF CPU utilization

F.
OSPF stub area configurations

Explanation:
The OSPF router IDs of the two transit OSPF routers are used to form the virtual link (with the
area area-id virtual-link neighbor-router-id command) so it is an important item to check -> B is
correct.