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Nokia Exam 4A0-115 Topic 6 Question 21 Discussion

Actual exam question for Nokia's 4A0-115 exam
Question #: 21
Topic #: 6
[All 4A0-115 Questions]

Which of the following statements about multi-homing for a Layer-2 service is TRUE?

Show Suggested Answer Hide Answer
Suggested Answer: C

PE2 advertises a MAC/IP route for MAC1 with a sequence number higher than that received from PE1. This indicates that MAC1 has moved from PE1 to PE2 and triggers a MAC withdrawal message from PE1 to remote PEs.CE1 does not generate an update message to PE1 withdrawing its MAC, nor does PE1 generate an update message to remote PEs identifying the new location of CE11.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)


by Daren at May 17, 2024, 09:13 AM

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Deandrea
2 months ago
I bet the correct answer is hidden somewhere in the fine print. Probably needs a magnifying glass to find it.
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Craig
2 days ago
C) In the all-active mode, all PEs attached to a CE can forward traffic to and from the CE.
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Jade
3 days ago
B) In the single-active mode, the CE forwards traffic to all attached PEs and receives traffic from a single PE.
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Xuan
15 days ago
C) In the all-active mode, all PEs attached to a CE can forward traffic to and from the CE.
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Freeman
17 days ago
B) In the single-active mode, the CE forwards traffic to all attached PEs and receives traffic from a single PE.
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Lettie
19 days ago
A) In the single-active mode, the CE requires a LAG to be configured between the CE and all attached PEs.
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Ilona
28 days ago
A) In the single-active mode, the CE requires a LAG to be configured between the CE and all attached PEs.
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Cecil
2 months ago
D has to be the right choice. The Nokia 7750 SR supports multi-homing to a maximum of two PEs, so that's the true statement.
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Roselle
21 hours ago
No, in the single-active mode, the CE requires a LAG to be configured between the CE and all attached PEs.
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Lottie
6 days ago
So, in the single-active mode, the CE forwards traffic to all attached PEs and receives traffic from a single PE, right?
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Kerry
15 days ago
That's true, D is the right choice for this question.
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Josefa
27 days ago
I think D is correct, the Nokia 7750 SR does support multi-homing to a maximum of two PEs.
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Carli
2 months ago
Hmm, I'm not sure about the correct answer. Maybe I should have paid more attention in my Layer-2 networking class.
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Edward
2 months ago
I think B is the right answer. The CE forwards traffic to all attached PEs but receives from a single PE in the single-active mode.
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Telma
2 months ago
Yes, that's correct. In the all-active mode, all PEs attached to a CE can forward traffic to and from the CE.
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Hannah
2 months ago
I agree, B is correct. The CE forwards traffic to all attached PEs but receives from a single PE in single-active mode.
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Junita
2 months ago
But in the all-active mode, all PEs can forward traffic, not just one.
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Jettie
2 months ago
Option C seems correct to me. In the all-active mode, all PEs attached to a CE can forward traffic in both directions.
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Crissy
26 days ago
That's correct. It's a different setup compared to the all-active mode.
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An
1 months ago
So, in the single-active mode, the CE only forwards traffic to one PE?
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Nobuko
1 months ago
Yes, that's right. It allows for better redundancy and load balancing.
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Son
1 months ago
I think option C is correct. All PEs can forward traffic in the all-active mode.
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Vincent
3 months ago
I disagree, I believe the answer is A.
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Junita
3 months ago
I think the answer is C.
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