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Nokia Exam 4A0-108 Topic 7 Question 96 Discussion

Actual exam question for Nokia's 4A0-108 exam
Question #: 96
Topic #: 7
[All 4A0-108 Questions]

An Alcatel-Lucent 7750 SR is unable to locate a multicast source address in the multicast forwarding table. However, the source address is available in the unicast forwarding table.

Which statement best describes the default RPF check behavior of the 7750 SR?

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Suggested Answer: B

by Audry at Sep 12, 2024, 11:01 PM

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Nan
3 hours ago
The RPF check on the 7750 SR is like a game of hide-and-seek, but the source address is playing a sick prank and hiding in the wrong table!
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Skye
5 days ago
Option B is the answer, no doubt. It's like trying to find a needle in a haystack, but the unicast table has your back!
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Kathrine
21 days ago
Hmm, this one's a head-scratcher. I'm going to go with option B, because I don't want to end up in the multicast forwarding table doghouse!
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Rosendo
6 hours ago
User2: Agreed, it's always best to check multicast before unicast.
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Arlyne
4 days ago
User1: I think option B is the way to go, it makes sense to check multicast first.
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Gladys
25 days ago
I think the question is a bit tricky. The key point is that the source address is available in the unicast forwarding table, even though it's not in the multicast forwarding table. Option B is the way to go.
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Mozell
4 days ago
User 2: I agree, it makes sense to check multicast forwarding table first.
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Annelle
12 days ago
User 1: I think the answer is B, PIM checks multicast forwarding table first.
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Rolf
25 days ago
That makes sense too, maybe we need more information to be sure.
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Gail
29 days ago
The correct answer is B. PIM uses the multicast forwarding table first for RPF check, and if the source address is not found, it refers to the unicast forwarding table. This is the default behavior of the 7750 SR.
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Talia
1 months ago
I disagree, I believe the answer is D because the RPF check requires the source address to be in both tables.
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Rolf
1 months ago
I think the answer is B because PIM first checks the multicast forwarding table for RPF.
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a