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H12-221 · Question #220

Which of the following statements regarding the Reverse Path Forwarding (RPF) mechanism are true? (Select 2 answers)

The correct answer is C. A router discards the received multicast packets if the RPF check fails. D. The RPF mechanism has two functions: It prevents multicast routing loops and the forwarding of. See the full explanation below for the reasoning.

Question

Which of the following statements regarding the Reverse Path Forwarding (RPF) mechanism are true? (Select 2 answers)

Options

  • AMulticast RPF does not depend on unicast routing.
  • BAll multicast protocols adopt the RPF mechanism.
  • CA router discards the received multicast packets if the RPF check fails.
  • DThe RPF mechanism has two functions: It prevents multicast routing loops and the forwarding of

How the community answered

(52 responses)
  • A
    8% (4)
  • B
    17% (9)
  • C
    75% (39)

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