What is causing this issue?

Refer to the exhibit showing logs from the Expressway-C, a copy of the Expressway-E certificate, and the UC traversal zone configuration for the Expressway-C.

An office administrator is deploying mobile and remote access and sees an issue with the UC traversal zone. The zone is showing “TLS negotiation failure”.

What is causing this issue?
A . The Expressway-E certificate includes the Expressway-C FQDN as a SAN entry
B . The Expressway-C is missing the FQDN of Cisco UCM in the Common Name of its certificate
C . In the UC Traversal Zone on the Expressway-C, the peer address is set to the IP of the Expressway-E, which is not a SAN entry in the Expressway-E certificate
D . The Expressway-E does not have the FQDN of Cisco UCM listed as a SAN in its certificate

View Answer

Answer: D