Nokia Exam 4A0-115 Topic 3 Question 24 Discussion

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

Question #: 24
Topic #: 3

A Layer-3 EVPN service is configured to use the interface-ful unnumbered forwarding model. Which of the following statements is FALSE?

AEach participating PE advertises a MAC/IP route that carries the MAC address of SBD IRB interface.

BIP-Prefix routes exchanged between PES include a non-zero MAC address as an overlay index.

CThe VPRN service is configured to allow the advertisement of IP prefixes.

DThe SBD IRB interface configured in the VPRN service has no IP address assigned to it.

Show Suggested Answer

Suggested Answer: D

The SBD IRB interface configured in the VPRN service has an IP address assigned to it.The IP address is used as a gateway IP address for hosts in the corresponding subnet2.

Verified Reference:Nokia Ethernet Virtual Private Network Services Course | Nokia

by Charlesetta at Jul 03, 2024, 12:50 AM

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Fatima

4 months ago

I disagree with Elza, because the VPRN service should indeed allow the advertisement of IP prefixes for Layer-3 EVPN service.

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Elza

4 months ago

I believe the correct answer is C, as VPRN service should not allow the advertisement of IP prefixes.

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Sunshine

4 months ago

I agree with Crista, because IP-Prefix routes should not include a MAC address.

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Zena

4 months ago

Ah, the joys of networking exams. Where we get to play 'Spot the Odd One Out' with obscure protocol configurations. At least it's not as bad as studying for the 'MPLS for Penguins' certification.

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Leonor

2 months ago

D) The SBD IRB interface configured in the VPRN service has no IP address assigned to it.

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Sabra

3 months ago

C) The VPRN service is configured to allow the advertisement of IP prefixes.

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Leanna

3 months ago

C) The VPRN service is configured to allow the advertisement of IP prefixes.

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Ines

3 months ago

A) Each participating PE advertises a MAC/IP route that carries the MAC address of SBD IRB interface.

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Olga

3 months ago

B) IP-Prefix routes exchanged between PEs include a non-zero MAC address as an overlay index.

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Tiera

3 months ago

A) Each participating PE advertises a MAC/IP route that carries the MAC address of SBD IRB interface.

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Flo

4 months ago

Option C is the false one. The VPRN service should be configured to allow the advertisement of IP prefixes, not the other way around.

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Eura

3 months ago

Yes, the VPRN service should allow the advertisement of IP prefixes.

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Nobuko

4 months ago

I agree, option C is the false one.

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Alfred

4 months ago

This question is making my brain hurt. Why do we need to remember all these technical details about EVPN forwarding models? I just want to pass the exam and get it over with.

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Yen

4 months ago

I think Option D is the correct answer. The SBD IRB interface in the VPRN service should not have an IP address assigned to it, as per the unnumbered forwarding model.

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