Arista Certified Engineer – Associate (ACE-A) — Question 17

The VXLAN spec allows for two implementation types. One uses multicast. What is the other one called?

Answer options

• A. Non-multicast replication
• B. BUM-Replication
• C. Fore-end Replication
• D. Head-end Replication

Correct answer: B

Explanation

The correct answer is B, BUM-Replication, which refers to the process of handling Broadcast, Unknown unicast, and Multicast traffic in VXLAN without using multicast mechanisms. The other options do not accurately describe the alternative to multicast implementation in the VXLAN specification.