Implementing Cisco Collaboration Cloud and Edge Infrastructure (CLCEI) — Question 146

Which technique can be used to have media flow directly between two endpoints that have a NAT between them?

Answer options

• A. The endpoints can use a Cisco router API to disable NAT temporarily.
• B. Cisco Mobile and Remote Access allows for media traffic directly between two internal endpoints.
• C. Cisco access protocol can make a direct path between endpoints on an internal network.
• D. STUN makes UDP connections through NAT devices.

Correct answer: D

Explanation

The correct answer is D because STUN (Session Traversal Utilities for NAT) is specifically designed to facilitate the establishment of UDP connections through NAT devices. Options A, B, and C do not provide a viable solution for enabling media flow through NAT, as they do not address the NAT traversal issue effectively.