Huawei Exam H12-261_V3.0 Topic 1 Question 45 Discussion

Actual exam question for Huawei's H12-261_V3.0 exam

Question #: 45
Topic #: 1

RTA is the source DR router and RTB is the RP router. The multicast source sends multicast data to the RIA, but the RIB cannot see the multicast source registered to it through the PIM Register message. What are the possible reasons?

AThere is no unicast route from RTB to RTA, which causes RTB to fail the RPF check of the source.

BThe multicast network dynamically elects RP, and RTA fails to check the RPF of BSR.

CThe RP elected by RTA is not RTB

DThe RP is statically configured on the multicast network, while the RTA router is not statically configured with the RP

Show Suggested Answer

Suggested Answer: A, B, C, D

by Lauran at Apr 24, 2024, 01:56 AM

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Felicidad

7 months ago

I believe the issue might be related to the fact that the RP is statically configured while RTA is not.

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Gerald

7 months ago

But what about the possibility that the RP elected by RTA is not RTB?

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Joseph

7 months ago

I agree with that could cause RTB to fail the RPF check of the source.

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Leatha

7 months ago

I think the reason could be that there is no unicast route from RTB to RTA.

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Julio

8 months ago

That could also be a reason. If the RP is not configured correctly on RTA, then it might not be able to see the multicast source.

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Kimbery

8 months ago

But what about option D) The RP is statically configured on the multicast network, while the RTA router is not statically configured with the RP?

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Fatima

8 months ago

That makes sense. It could be the reason why RIB cannot see the multicast source registered to it.

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Julio

8 months ago

I think the possible reason is A) There is no unicast route from RTB to RTA, which causes RTB to fail the RPF check of the source.

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