350-601 Network Practice Question
An administrator is deploying a new application in a Cisco ACI fabric. The application requires multicast traffic between end hosts. Which configuration is necessary for multicast in ACI?
⚠ Common exam trap
Cisco often tests the misconception that PIM must be enabled for multicast in ACI, but the fabric's overlay uses head-end replication and IGMP snooping at the bridge domain level instead.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a multicast policy in the bridge domain.
In Cisco ACI, multicast forwarding is enabled at the bridge domain level using a multicast policy. This policy configures the necessary IGMP snooping and multicast group membership for the fabric, allowing end hosts to receive multicast traffic without requiring PIM on the leaf switches. Option C is correct because the bridge domain multicast policy is the required configuration for multicast in ACI.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Enable PIM on the leaf switches.
Why it's wrong here
ACI uses IGMP snooping and proxy, not PIM.
- ✗
Configure a multicast group in the EPG.
Why it's wrong here
No such configuration exists in ACI.
- ✓
Create a multicast policy in the bridge domain.
Why this is correct
A multicast policy in the bridge domain enables multicast forwarding.
- ✗
Use IGMP snooping only.
Why it's wrong here
IGMP snooping alone is insufficient for multicast routing.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-601 exam.