Refer to the Exhibit.

You are asked to configure an OSPF virtual link that connects remote Area 4 to the backbone.
Referring to the exhibit, what are two requirements for an OSPF virtual link to operate correctly?
(Choose two.)

A.
A virtual link configuration on the ABR between Areas 0 and 1 must include transit area 1.

B.
The interface of the transit area must be of type vt.

C.
A virtual link configuration on the ABR between Areas 0 and 1 must be the interface address of
the neighbor on the far end.

D.
A virtual link configuration on the ABR between Areas 0 and 1 must be the router ID (RID) of
the neighbor on the far end.

Explanation: