An administrator has configured and enabled multicast together with PIM sparse mode on all VLANs on the network. Which feature helps to reduce multicast traffic being broadcast on the access layer switches?

  • IGMP snooping
  • PIM Pruning
  • source registration
  • SPT switchover
Answers Explanation & Hints:

IGMP snooping stops multicast traffic from being broadcast on the access layer switches by examining IGMP joins that are sent by receivers and maintaining a table of interfaces to IGMP joins.

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CCNPv8 ENCOR (Version 8.0) – Chapters 13 – 14: Multicast and QoS Exam Answers Full 100%