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Nokia 4A0-115 Exam - Topic 3 Question 24 Discussion

A Layer-3 EVPN service is configured to use the interface-ful unnumbered forwarding model. Which of the following statements is FALSE?
D) The SBD IRB interface configured in the VPRN service has no IP address assigned to it.
A) Each participating PE advertises a MAC/IP route that carries the MAC address of SBD IRB interface.
B) IP-Prefix routes exchanged between PES include a non-zero MAC address as an overlay index.
C) The VPRN service is configured to allow the advertisement of IP prefixes.

Nokia 4A0-115 Exam - Topic 3 Question 24 Discussion

Actual exam question for Nokia's 4A0-115 exam
Question #: 24
Topic #: 3
[All 4A0-115 Questions]

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

Show Suggested Answer Hide 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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Tegan
10 months ago
I agree with Kandis, A is definitely correct.
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Wynell
10 months ago
Wait, D? No IP on the SBD IRB? That seems odd!
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Lai
10 months ago
C sounds right, VPRN services do allow IP prefix advertisements.
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Iluminada
11 months ago
I think B is false, non-zero MAC addresses are not used like that.
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Kandis
11 months ago
A is true, each PE does advertise that MAC/IP route.
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Farrah
11 months ago
I’m leaning towards option A being false, but I’m not confident. I thought all participating PEs had to advertise their MAC addresses.
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Bettyann
11 months ago
I practiced a similar question where the SBD IRB interface was mentioned, and I feel like option D could be tricky since it says no IP address is assigned.
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Serita
11 months ago
I think option C might be the false statement because I recall VPRN services usually don't advertise IP prefixes in this context.
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Fallon
12 months ago
I remember studying the interface-ful unnumbered model, but I'm not entirely sure if the MAC address in option B is supposed to be non-zero.
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Bulah
12 months ago
Okay, I think I've got a handle on this. The key is to identify which of the statements is false based on the given information about the interface-ful unnumbered forwarding model. I'll methodically go through each option and evaluate it.
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Raul
12 months ago
Hmm, I'm a bit confused by the terminology here. I'll need to refresh my memory on EVPN and how the interface-ful unnumbered forwarding model works before I can confidently answer this.
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Val
12 months ago
This question seems to be testing my understanding of Layer-3 EVPN and the interface-ful unnumbered forwarding model. I'll need to carefully review the options and think through the key characteristics of this configuration.
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Maurine
12 months ago
This is a tricky one, but I feel prepared. I'll draw on my knowledge of EVPN and the specific details of the interface-ful unnumbered forwarding model to determine which statement is incorrect.
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Erick
12 months ago
I'm a bit confused on this one. Is it the net profit that would be used, or the contribution? I'll need to re-read the question and think it through step-by-step.
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Mariann
12 months ago
Okay, I've got this. The next-hop should be 10.2.3.1, which is the IP address of the interface on R1 that's directly connected to CR1.
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Sena
12 months ago
Okay, I've got a strategy here. I'll provision preemptible VMs to save on costs, and then carefully review all the GCP services and APIs to make sure they're HIPAA-compliant before using them. Gotta cover all the bases!
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Chantay
12 months ago
Okay, I think the key here is identifying the ultimate goal for the Customer Success Manager. It's not just about adoption, but about driving real business value and expansion for the customer.
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Fatima
2 years 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
2 years ago
I believe the correct answer is C, as VPRN service should not allow the advertisement of IP prefixes.
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Sunshine
2 years ago
I agree with Crista, because IP-Prefix routes should not include a MAC address.
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Zena
2 years 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 years ago
D) The SBD IRB interface configured in the VPRN service has no IP address assigned to it.
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Sabra
2 years ago
C) The VPRN service is configured to allow the advertisement of IP prefixes.
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Leanna
2 years ago
C) The VPRN service is configured to allow the advertisement of IP prefixes.
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Ines
2 years ago
A) Each participating PE advertises a MAC/IP route that carries the MAC address of SBD IRB interface.
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Olga
2 years ago
B) IP-Prefix routes exchanged between PEs include a non-zero MAC address as an overlay index.
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Tiera
2 years ago
A) Each participating PE advertises a MAC/IP route that carries the MAC address of SBD IRB interface.
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Flo
2 years 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
2 years ago
Yes, the VPRN service should allow the advertisement of IP prefixes.
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Nobuko
2 years ago
I agree, option C is the false one.
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Alfred
2 years 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
2 years 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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Crista
2 years ago
I think the false statement is B.
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Noah
2 years ago
Option B is definitely false. The IP-Prefix routes exchanged between PES should have a zero MAC address as the overlay index, not a non-zero one.
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German
2 years ago
Yeah, you're right. The MAC address should be zero for IP-Prefix routes.
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Chantell
2 years ago
I think option B is false, the MAC address should be zero.
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