Huawei Certified Network Professional – Routing and Switching (HCNP-RS, legacy) — Question 1

Which of the following is the multicast distribution tree maintained by PIM-DM?

Answer options

• A. SFT
• B. CBT
• C. RFT
• D. STP

Correct answer: A

Explanation

The correct answer is A, SFT, which stands for Shared Tree, used by Protocol Independent Multicast - Dense Mode (PIM-DM) to manage multicast data distribution. The other options, CBT (Core-Based Tree), RFT (Reliable File Transfer), and STP (Spanning Tree Protocol), are not associated with PIM-DM's multicast distribution methodology.