Designing Cisco Enterprise Networks (ENSLD) — Question 92

What is the function of the multicast Reverse Path Forwarding check?

Answer options

• A. It allows for a loop-free distribution tree from the source to receivers.
• B. It serves as an Auto RP Mapping agent.
• C. It prevents bootstrap messages from reaching all routers.
• D. It is used to discover and announce RP-set information.

Correct answer: A

Explanation

Option A is correct because the multicast Reverse Path Forwarding check ensures that data packets are forwarded along a loop-free path from the source to the receivers, which is essential for efficient multicast routing. The other options describe different functionalities that are not related to the purpose of the Reverse Path Forwarding check.