Discuss Nokia 4A0-115 Exam Topic 3 Question 22

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.

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)

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30 comments · newest first

Lonny 11 months ago

Wait, A-D routes are imported by all PES? Really? That's surprising!

Candra 11 months ago

D seems off to me, I don't recall that being the case.

Marion 11 months ago

B sounds correct, but I'm not 100% sure.

Merilyn 11 months ago

I think C is the right one! All PES need those A-D routes.

Noel 12 months ago

A is definitely true, it shows the redundancy mode.

Bulah 12 months ago

I vaguely remember that the designated forwarder election algorithm is related to A-D per Ethernet segment routes, but I need to double-check that.

Estrella 1 year ago

I feel like the ESI label is important for split-horizon, but I might be mixing it up with another concept.

Shay 1 year ago

I remember something about A-D routes being imported by all PES, but I can't recall the specifics.

Isreal 1 year ago

I think ES routes do indicate redundancy, but I'm not entirely sure if that's the main purpose.

Jennie 1 year ago

I'm confident I know the answer to this one. The ES routes indicate the redundancy mode, and the A-D routes are imported by all PEs participating in the EVPN service.

Gail 1 year ago

Okay, I think I've got this. The key is understanding the purpose of each route type. Let me walk through the options and see which one best fits the description.

Jesus 1 year ago

Hmm, I'm a bit unsure about the differences between the EVPN route types. I'll need to refresh my memory on how they support multi-homing.

Tamra 1 year ago

This looks like a tricky EVPN question. I'll need to carefully review the route types and their functions to determine the correct answer.

Daren 1 year ago

This seems like a straightforward true/false question. I'm pretty confident I can get this right.

Jimmie 1 year ago

I feel like I came across a question similar to this in practice tests. Descriptive analysis focuses on what behaviors occur but might not detail their intensity well enough, could it be C?

Regenia 1 year ago

This question seems straightforward, but I want to make sure I understand the key requirements - a resilient environment with a secondary site at least 250 km away, and minimizing RPO and RTO. I'll need to carefully consider the options to find the best solution.

Willow 1 year 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.

Beatriz 1 year 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.

Cecilia 1 year ago

↳ replying to Beatriz

So, D is the correct answer because it indicates the desired designated forwarder election algorithm.

Lino 1 year ago

↳ replying to Beatriz

Yes, that's right. The designated forwarder election algorithm is crucial for multi-homing support.

Mabel 1 year ago

↳ replying to Beatriz

I think D is correct because A-D per Ethernet segment routes determine the designated forwarder election.

Tracey 2 years 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.

Oren 1 year ago

↳ replying to Tracey

User2: Got it. Thanks for clarifying that!

Micah 1 year ago

↳ replying to Tracey

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

Emmanuel 1 year ago

↳ replying to Tracey

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

Margart 1 year ago

↳ replying to Tracey

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

Deja 2 years 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.

Geraldine 2 years ago

Hmm, that makes sense too. I guess we'll have to wait and see what the actual answer is.

Fletcher 2 years ago

I disagree, I believe the correct answer is B) ES routes provide the ESI label required to support the split-horizon mechanism.

Geraldine 2 years ago

I think the correct answer is A) Ethernet segment (ES) routes indicate the redundancy mode of the Ethernet segment.

Nokia 4A0-115 Exam - Topic 3 Question 22 Discussion