Juniper Exam JN0-648 Topic 8 Question 46 Discussion

Actual exam question for Juniper's JN0-648 exam

Question #: 46
Topic #: 8

[All JN0-648 Questions]

Exhibit.

Referring to the exhibit, a RMSM network is set up to enable communication between multicast devices.

Which statement is true in this scenario?

AAfter the formation of the shortest-path tree, a join message is sent from R2 to R1.

BAfter the formation of the shortest-path tree, a join message is sent from R1 to R5

CAfter the formation of the shortest-path tree, a prune message is sent from R1 to R2.

DAfter the formation of the shortest-path free, a prune message is sent from R1 to R5.

Show Suggested Answer

Suggested Answer: C

https://www.juniper.net/documentation/en_US/junos/topics/concept/multicast-pim-sparse-characteristics.html

When the first multicast packet is received by the receiver's DR, the receiver's DR sends a PIM prune message to the RP router to stop duplicate packets from being sent through the RPT. In turn, the RP router stops sending multicast packets to the receiver's DR, and sends a PIM prune message for this source over the RPT toward the source DR to halt multicast packet delivery to the RP router from that particular source.

by Wilda at May 05, 2022, 06:08 AM

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