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Exam 300-420 topic 1 question 130 discussion

Actual exam question from Cisco's 300-420
Question #: 130
Topic #: 1
[All 300-420 Questions]

What is the function of the multicast Reverse Path Forwarding check?

  • A. It allows for a loop-free distribution tree from the source to receivers.
  • B. It serves as an Auto RP Mapping agent.
  • C. It prevents bootstrap messages from reaching all routers.
  • D. It is used to discover and announce RP-set information.
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Suggested Answer: A 🗳️
by certstudent2016 at April 27, 2022, 12:30 a.m.

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Lungful
9 months, 3 weeks ago
Selected Answer: A
A, preventing loops, is correct. https://en.wikipedia.org/wiki/Reverse-path_forwarding
upvoted 1 times
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namibdigger
1 year, 10 months ago
Selected Answer: A
Reverse Path... will ensure that the packet is forwarded....without routing loops (Student learning guide v1.4 p253)
upvoted 3 times
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A (35%)
C (25%)
B (20%)
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