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Nokia 4A0-115 Exam - Topic 9 Question 27 Discussion

Actual exam question for Nokia's 4A0-115 exam
Question #: 27
Topic #: 9
[All 4A0-115 Questions]

A. Proxy-ARP/ND is operational for a VPLS. Which of the following statements is FALSE?

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Suggested Answer: A

The local AC tag ID configured on PE2 must match the local AC tag ID configured on PE1. This ensures that the tag IDs are consistent across both ends of the VPWS service.The remote AC tag ID configured on PE2 does not need to match the remote AC tag ID configured on PE3, as long as they are unique within each PE1.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)


by Emerson at Aug 03, 2024, 12:33 PM

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Elenore
3 months ago
How does the PE learn local host IPs anyway?
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Lindsay
3 months ago
Totally agree with B being false!
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Rosendo
3 months ago
Wait, are we sure about C? Sounds off.
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Edgar
4 months ago
I think B is the false one.
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Yan
4 months ago
Proxy-ARP is crucial for VPLS functionality.
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Mindy
4 months ago
I think the proxy-ARP table gets populated from snooping, but I'm not entirely sure if that's the only way it works in this context.
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Ronna
4 months ago
I feel like option B might be the false one, but I can't quite remember if dynamic-populate is always enabled for VPLS.
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Devon
4 months ago
I practiced a similar question where the PE was involved in learning IP addresses, but I can't recall if it actually advertises MAC/IP routes.
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Francesco
5 months ago
I think I remember that proxy-ARP is used to help with IP address resolution, but I'm not sure if it applies to VPLS in the same way as regular ARP.
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Adelle
5 months ago
The key here is understanding the behavior of Proxy-ARP/ND in a VPLS context. If I can recall the correct mechanisms, I should be able to identify the false statement.
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Dalene
5 months ago
I'm pretty confident I know the answer to this one. Proxy-ARP and dynamic-populate are commonly used features in VPLS environments, so I think I can eliminate the incorrect statement.
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Chandra
5 months ago
Okay, let me think this through. The question is asking which statement is false, so I need to carefully evaluate each option and identify the one that is incorrect.
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My
5 months ago
This question seems straightforward, but I want to make sure I understand the key concepts around Proxy-ARP/ND and VPLS before selecting an answer.
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Stevie
5 months ago
Hmm, I'm a bit unsure about the details of how the proxy-ARP table is populated in a VPLS setup. I'll need to review that part carefully before selecting an answer.
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Leigha
5 months ago
Hmm, I'm a bit unsure about this one. The options seem to cover different aspects of capability mapping, so I'll need to carefully consider how each one relates to the purpose.
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Malinda
5 months ago
I've worked with Azure networking and firewalls before, so I think I've got a good handle on this. My initial thought is that configuring route filters for Microsoft peering should meet the goal, but I'll double-check the details to be sure.
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Lonny
10 months ago
Wait, are we supposed to be learning about proxy-ARP or proxy-IP? I'm getting a bit confused here.
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Kayleigh
10 months ago
This question is a real brain-teaser! I hope I can remember the difference between ARP and IP packets for the exam.
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Juliann
8 months ago
So, the proxy-ARP table is not populated by snooping IP packets from remote PEs.
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Kimberlie
9 months ago
That's correct! The PE actually learns local host IP addresses and adds them to its proxy-ARP table.
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Linwood
9 months ago
I think the false statement is B) The PE has proxy-ARP and dynamic-populate enabled for the VPLS.
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Denny
10 months ago
Option B seems to be the false statement. The PE has proxy-ARP and dynamic-populate enabled for the VPLS, not the other way around.
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Carlton
8 months ago
That makes sense, thanks for clarifying.
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Cecilia
8 months ago
Yes, the PE has proxy-ARP and dynamic-populate enabled for the VPLS.
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Billye
8 months ago
I think option B is the false statement.
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Pamella
10 months ago
I think Option D is the correct answer. The PE adds an entry into its proxy-ARP table when it learns a local host's IP address.
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Daren
9 months ago
User 2: That makes sense. The proxy-ARP table is populated by snooping IP packets received from remote PEs.
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Gladys
9 months ago
User 1: I think Option D is correct. The PE adds an entry into its proxy-ARP table when it learns a local host's IP address.
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Werner
11 months ago
Option C is incorrect. The proxy-ARP table is populated by snooping ARP packets, not IP packets.
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Lauryn
10 months ago
E) The PE advertises a MAC/IP route that includes the MAC and IP address of a local host.
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Nelida
10 months ago
D) When the PE learns a local host IP address, it adds an entry into its proxy-ARP table.
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Muriel
10 months ago
C) The proxy-ARP table is populated by snooping ARP packets received from remote PEs.
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Cordie
10 months ago
B) The PE has proxy-ARP and dynamic-populate enabled for the VPLS.
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Svetlana
11 months ago
I believe the correct answer is C) as well, because proxy-ARP is based on ARP requests, not IP packets.
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Jerrod
11 months ago
I agree with Ronny, because the proxy-ARP table is actually populated by snooping ARP requests, not IP packets.
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Ronny
11 months ago
I think the false statement is C) The proxy-ARP table is populated by snooping IP packets received from remote PEs.
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