Answer is D from the linked doc. In most cases, placing the RP in the network is not a complex decision. By default, the RP is needed only to start new sessions with sources and receivers. As a result, the RP sees little overhead from traffic flow or processing. In PIM-SM version 2, the RP needs less processing than in PIM-SM version 1 because sources only have to periodically register with the RP to create state.

Selected Answer: D The link is correct; the provided answer

Selected Answer: D A rendezvous point (RP) is required only in networks running Protocol Independent Multicast sparse mode (PIM-SM). By default, the RP is needed only to start new sessions with sources and receivers.