Refer to the exhibit. An administrator is troubleshooting an adjacency problem between two OSPF routers. From the debug output, what is most likely the cause of the problem?

Refer to the exhibit. An administrator is troubleshooting an adjacency problem between two OSPF routers. From the debug output, what is most likely the cause of the problem?

• The routers are using mismatched authentication passwords.
• Router1 is using only simple password authentication.
• The routers are using different MD5 key numbers.
• The key types are mismatched on the routers.
• The authentication methods do not match.

Exam with this question: CCNP ROUTE Final Exam Answers (Version 6)