Why is neighbor 10.1.5.5 stuck in “2WAY” state?

Refer to the exhibit.

Why is neighbor 10.1.5.5 stuck in “2WAY” state?
A . Router ID 10.1.5.5 is not reachable from R2
B. OSPF authentication has failed between R2 and 10.1.5.5
C. It is an expected behavior when OSPF network type is broadcast
D. OSPF parameters (Area ID or hello interval) are mismatched between R2 and 10.1.5.5

View Answer

Answer: C

Explanation:

Reference: https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13683-11.html