Exam JN0-664 Topic 5 Question 66 Discussion

Actual exam question for Juniper's JN0-664 exam
Question #: 66
Topic #: 5
Which two statements describe PIM-SM? (Choose two)

Suggested Answer: A,D Vote an answer

PIM sparse mode (PIM-SM) is a multicast routing protocol that uses a pull model to deliver multicast traffic. In PIM-SM, routers with receivers send join messages to their upstream neighbors toward a rendezvous point (RP) or a source-specific tree (SPT). The RP or SPT acts as the root of a shared distribution tree for a multicast group. Traffic is only forwarded to routers that request to join the distribution tree by sending join messages. PIM-SM does not flood traffic to all routers or prune routers without receivers, as PIM dense mode does.

by Ken at May 11, 2025, 11:46 PM

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