Câu 53: 300-820: Implementing Cisco Collaboration Cloud and Edge Solutions

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?

1. A. The Expressway-E certificate includes the Expressway-C FQDN as a SAN entry
2. B. The Expressway-C is missing the FQDN of Cisco UCM in the Common Name of its certificate
3. 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 — đáp án hiện tại
4. D. The Expressway-E does not have the FQDN of Cisco UCM listed as a SAN in its certificate