Implementing Cisco SD-WAN Solutions (ENSDWI) — Question 318

What is the role of the Session Traversal Utilities for NAT server provided by the vBond orchestrator?

Answer options

• A. It prevents SD-WAN Edge routers from forming sessions with public transports among different service providers.
• B. It facilitates SD-WAN Edge routers to stay behind a NAT-enabled firewall while the transport addresses of the SD-WAN controller are unNAT-ed.
• C. It allows WAN Edge routers to form sessions among MPLS TLOCs using only public IP addresses.
• D. It facilitates SD-WAN routers and controllers to discover their own mapped or translated IP addresses and port numbers.

Correct answer: D

Explanation

The correct answer is D because the Session Traversal Utilities for NAT server helps SD-WAN devices discover their mapped or translated IP addresses and port numbers, which is essential for proper communication. Options A, B, and C do not accurately describe the role of the server, as they focus on limitations or incorrect functionalities rather than the discovery process.