Nokia Exam 4A0-115 Topic 3 Question 22 Discussion

Actual exam question for Nokia's 4A0-115 exam

Question #: 22
Topic #: 3

[All 4A0-115 Questions]

Which of the following statements about the EVPN route types used to support multi-homing is TRUE?

AEthernet segment (ES) routes indicate the redundancy mode of the Ethernet segment.

BES routes provide the ESI label required to support the split-horizon mechanism.

CAuto-discovery (A-D) routes are imported by all PES participating in the EVPN service.

DA-D per Ethernet segment routes indicate the desired designated forwarder election algorithm.

Show Suggested Answer

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 Leana at Jun 02, 2024, 06:45 PM

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Willow

28 days ago

This question is making my head spin! I hope the exam doesn't have too many of these EVPN route type questions. I'd rather be studying for the 'How to Nap During a Technical Interview' section.

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Beatriz

1 months ago

D sounds like it could be the right answer. The A-D per Ethernet segment routes determine the designated forwarder election, which is an important part of multi-homing support.

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Tracey

2 months ago

Hmm, I'm not sure about this one. The ES routes indicate the redundancy mode, not the A-D routes, right? I'll have to review that part again.

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Oren

9 days ago

User2: Got it. Thanks for clarifying that!

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Micah

11 days ago

User1: Exactly. A-D routes are for auto-discovery and are indeed imported by all PEs.

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Emmanuel

27 days ago

User2: So, A-D routes are imported by all PEs participating in the EVPN service, right?

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Margart

1 months ago

User1: Yes, you are correct. ES routes indicate the redundancy mode of the Ethernet segment.

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Deja

2 months ago

I think B is the correct answer. The ES routes provide the ESI label needed for the split-horizon mechanism. This is a pretty straightforward concept.

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