Implementing Cisco Collaboration Cloud and Edge Infrastructure (CLCEI) — Question 13

When determining why Mobile and Remote Access to Cisco TelePresence equipment does not work anymore for an organization. There are several administrators and configuration changes could have happened without anyone knowing. Internal communication seems to be working, but no external system can register or call anywhere. Gathering symptoms, you also discover that no internal systems can call out either.
What is TraversalZone missing that causes this issue?

Answer options

Correct answer: C

Explanation

The correct answer is C, as a SIP trunk is necessary for enabling external communication, which is currently failing. Options A, B, and D do not provide the essential connectivity needed for external systems to register or make calls, thus failing to resolve the issue.