Click the Exhibit button.
You are trying to form an IS-IS adjacency between Router A and Router B, but the IS-IS adjacency will not form between the two routers.
Referring to the exhibit, which action would solve this problem?
A. Enable level 1 IS-IS routing on Router A.
B. Enable IS-IS wide metrics on Router A.
C. Enable level 2 IS-IS routing on Router B.
D. Enable IS-IS wide metrics on Router B.