Multicast pim spare-mode send traffic overload. Which feature reduces the multicast traffic in the access layer?

ccdp

#1

Multicast pim spare-mode send traffic overload. Which feature reduces the multicast traffic in the access layer?

A. Filter at Boundaries
B. PIM Sparse-Mode
C. IGMP snooping
D. MSDP

Correct Answer: C

Explanation:
Cisco Group Management Protocol (CGMP), Router Group Management Protocol (RGMP), and IGMP snooping efficiently constrain IP multicast in a Layer 2 switching environment.