Discuss Nokia 4A0-115 Exam Topic 1 Question 3

Examine the exhibit.

Which of the following statements about the EVPN routes exchanged for EVPN VPWS 2 is TRUE?

APEI advertises an A-D per EVI route that includes a tag ID set to 40.

BPEI advertises an A-D per EVI route that includes a non-zero Layer-2 MTLJ.

CPE2 advertises an A-D per EVI route that includes a P flag set to I.

DAll PES advertise a MAC route that includes a non-zero MPLS label.

Suggested Answer: D

All PEs do not advertise a MAC route that includes a non-zero MPLS label. Only PE1 advertises a MAC route that includes a non-zero MPLS label, which is used by PE2 to forward traffic to PE1.PE2 and PE3 do not advertise any MAC routes for VPWS 21.

Verified Reference:Ethernet Virtual Private Networks (EVPNs)

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13 comments · newest first

Howard 11 months ago

I thought the P flag was always set to 0 in these cases?

Jaime 11 months ago

Totally agree with you, German!

Golda 11 months ago

Wait, are we sure about the non-zero Layer-2 MTLJ? Seems off.

German 12 months ago

I think option D is the correct one, all PES should advertise that.

Dallas 12 months ago

PEI does advertise an A-D per EVI route with a tag ID of 40.

Janey 1 year ago

I have a vague memory of the P flag being important, but I can't remember if it should be set to I or something else.

Leatha 1 year ago

I'm leaning towards option D because I remember that MAC routes usually involve MPLS labels, but I could be mixing it up with another topic.

Lelia 1 year ago

I feel like I saw a similar question about MTLJ in our practice tests, but I can't recall if it was specifically for EVPN VPWS.

Claribel 1 year ago

I think option A might be correct since I remember something about tag IDs in A-D routes, but I'm not entirely sure.

Delila 1 year ago

I'm a bit confused by this question. Is it asking about the technical implementation, or more about the conceptual workflow? I'll need to re-read it a few times to make sure I understand what they're looking for.

Cecilia 1 year ago

I'm pretty sure the Startup Panel Administration tab in TIBCO Designer lets you modify the domain membership and user directory, but I'm not sure about the other options. I'll need to double-check the documentation to be certain.

Brynn 1 year ago

Okay, I think I've got this. The key is that even though the security mechanisms adhere to the same industry standards, the different vendor technologies could still be incompatible. I'll go with option A.

Phung 1 year ago

I'm a bit confused because I thought JindoFS could use different back ends, but I can't recall the specifics.

Nokia 4A0-115 Exam - Topic 1 Question 3 Discussion