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Nokia Exam 4A0-108 Topic 1 Question 98 Discussion

Actual exam question for Nokia's 4A0-108 exam
Question #: 98
Topic #: 1
[All 4A0-108 Questions]

What impact does an asymmetric IGP routing topology have on the PIM RPF check?

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Suggested Answer: C

by Reuben at Sep 15, 2024, 12:49 AM

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An
2 months ago
Wait, so the PIM RPF check is like trying to play 'Pin the Tail on the Donkey' in the dark? That's rough. *laughs*
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Layla
2 months ago
This question is a real head-scratcher. I bet the exam writer was trying to trip us up with that asymmetric topology bit. *chuckles*
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Carmelina
2 months ago
B) PIM not working in an asymmetric topology? That's news to me. I thought PIM was designed to handle all sorts of routing setups.
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Levi
1 months ago
A) The PIM RPF check may fail, since traffic from the source may arrive on one interface, while the IP route to the source may point to another interface on the PIM router.
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Kristine
2 months ago
B) PIM not working in an asymmetric topology? That's news to me. I thought PIM was designed to handle all sorts of routing setups.
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Effie
2 months ago
A) The PIM RPF check may fail, since traffic from the source may arrive on one interface, while the IP route to the source may point to another interface on the PIM router.
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Luke
3 months ago
D) I agree, there isn't enough information to determine the impact. We'd need more details about the specific topology and routing configuration.
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Lashandra
2 months ago
D) I agree, there isn't enough information to determine the impact. We'd need more details about the specific topology and routing configuration.
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Gaynell
2 months ago
A) The PIM RPF check may fail, since traffic from the source may arrive on one interface, while the IP route to the source may point to another interface on the PIM router.
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Mayra
3 months ago
Hmm, that's an interesting point. I see where you're coming from.
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Larae
3 months ago
C) I don't think that's correct. The Shared and Source Path Trees are built from the source to the receiver, so an asymmetric topology would impact the RPF check.
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Brandon
3 months ago
A) That's true, the RPF check relies on the correct path from the source to the receiver.
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Kami
3 months ago
C) I disagree, the RPF check is affected by an asymmetric IGP routing topology.
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Reid
3 months ago
A) The PIM RPF check may fail, since traffic from the source may arrive on one interface, while the IP route to the source may point to another interface on the PIM router.
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Clarinda
4 months ago
I disagree, I believe the answer is C. The Shared and Source Path Trees are built from the receiver to the source.
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Dianne
4 months ago
A) Definitely, the PIM RPF check can fail in an asymmetric topology. That's a classic issue we've seen in the field.
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Fabiola
3 months ago
B) There is no impact, since the Shared and Source Path Trees are built from the receiver to the source.
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Dana
3 months ago
A) The PIM RPF check may fail, since traffic from the source may arrive on one interface, while the IP route to the source may point to another interface on the PIM router.
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Mayra
4 months ago
I think the answer is A. The PIM RPF check may fail in an asymmetric IGP routing topology.
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