What is the role of the RP in PIM sparse mode?

What is the role of the RP in PIM sparse mode?
A . The RP responds to the PIM join messages with the source of requested multicast group
B . The RP maintains default aging timeouts for all multicast streams requested by the receivers.
C . The RP acts as a control-plane node and does not receive or forward multicast packets.
D . The RP is the multicast that is the root of the PIM-SM shared multicast distribution tree.

View Answer

Answer: D

Explanation:

Multicast Distribution Shared Tree – Unlike source trees that have their root at the source, shared trees use a single common root placed at some chosen point in the network. This shared root is called a rendezvous point (RP).

Source: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9300/software/release/16-5/configuration_guide/ip_mcast_rtng/b_165_ip_mcast_rtng_9300_cg/b_165_ip_mcast_rtng_9300_9500_cg_chapter_0100.html

https://netcraftsmen.com/pim-sparse-mode/