— Exhibit — — Exhibit — Click the Exhibit button. You are trying to establish an OSPF
adjacency between R1 and R2, but the adjacency does not establish. Referring to the
exhibit, what is causing the adjacency to fail?

A.
R1 has both family inet and family iso configured on the link toward R2.

B.
The IP subnet mask is mismatched between R1 and R2.

C.
The MD5 key ID values are mismatched between R1 and R2.

D.
The interface type is mismatched between R1 and R2.