Cisco
350-029 · Question #39
Which two statements about RPF checks in Multicast Source Discovery Protocol (MSDP) are true? (Choose two)
The correct answer is A. It prevents message looping, Session Advertisement (SA) messages must be RPF checked. C. RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM. See the full explanation below for the reasoning.
Question
Which two statements about RPF checks in Multicast Source Discovery Protocol (MSDP) are true? (Choose two)
Options
- AIt prevents message looping, Session Advertisement (SA) messages must be RPF checked.
- BRPF check should be done against the route to the source S of the corresponding PIM-SM domain.
- CRPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM
- DRPF checking Session Advertisement (SA) messages will cause message looping.
How the community answered
(19 responses)- A68% (13)
- B11% (2)
- D21% (4)
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