Which three statements are true about Protocol Independent Multicast (PIM) implementation on Cisco routers? (Choose three.)
- Bidir-PIM is suited for multicast with larger numbers of sources.
- In PIM-SM deployment, all routers create only (*,G) entries for the multicast groups.
- In PIM-DM, a multicast sender first registers with the RP, and the data stream begins to flow from sender to RP to receiver.
- Available network bandwidth is overutilized outside of the multicast routing zone because multiple streams of data are required between distant routers in place of a single transmission.
- All routers in the PIM network learn about the active group-to-RP mapping from the RP mapping agent by automatically joining the Cisco-RP-discovery (224.0.1.40) multicast group.
- In a PIM-SM network, the routers have the SPT threshold set to 0 by default which guarantees that the last-hop router switches to SPT mode as soon as the host starts receiving the multicast.
Exam with this question: CCNP SWITCH (Version 6.0) Chapter 7 Exam
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