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Huawei H12-831_V1.0 Exam - Topic 1 Question 44 Discussion

The router ID of R4 is 10.0.4.4. The LSA shown in the figure is displayed in the LSDB of R4.Which of the following statements are true about the LSA?A. The three LSAs belong to area 1. B. Area 1 is a stub area. C. No OSPFv3 neighbor relationship is established on at least one link of R4. D. R4 is the DR on a link.
A) The three LSAs belong to area 1. (True) The table explicitly shows 'Intra-Area-Prefix-LSA (Area 0.0.0.1)', meaning all LSAs are for Area 1. The Link State IDs also indicate intra-area advertisements. Statement A is correct.
B) Area 1 is a stub area. (False) There is no indication that Area 1 is a stub area. Stub areas do not receive Type 5 (External) LSAs, and the LSDB does not show Type 3 (Inter-Area) LSAs either. Network-LSAs (Type 2) are not typically seen in stub areas unless explicitly configured. Statement B is incorrect.
C) No OSPFv3 neighbor relationship is established on at least one link of R4. (True) One LSA references a Router-LSA, while two reference Network-LSAs. A Router-LSA alone suggests that R4 has at least one point-to-point or unnumbered link with no OSPFv3 adjacency. This means R4 has an interface with no neighbor (e.g., a passive interface or down link). Statement C is correct.
D) R4 is the DR on a link. (True) The presence of Network-LSAs (Type 2) indicates that a multi-access link exists. Since R4 is the origin of the Network-LSA, it must be the DR (Designated Router) for that link. Statement D is correct. Final Conclusion: A. The three LSAs belong to area 1. (True) B. Area 1 is a stub area. (False) C. No OSPFv3 neighbor relationship is established on at least one link of R4. (True) D. R4 is the DR on a link. (True) Thus, the correct answers are: A, C, D.

Huawei H12-831_V1.0 Exam - Topic 1 Question 44 Discussion

Actual exam question for Huawei's H12-831_V1.0 exam
Question #: 44
Topic #: 1
[All H12-831_V1.0 Questions]

The router ID of R4 is 10.0.4.4. The LSA shown in the figure is displayed in the LSDB of R4.

Which of the following statements are true about the LSA?

A. The three LSAs belong to area 1. B. Area 1 is a stub area. C. No OSPFv3 neighbor relationship is established on at least one link of R4. D. R4 is the DR on a link.

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Suggested Answer: A

by Viola at Apr 27, 2024, 05:18 AM

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Veronique
10 months ago
D is spot on, Network-LSAs mean R4 is the DR for sure!
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Lorrine
10 months ago
C makes sense, no neighbor means something's off.
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Mabel
10 months ago
Wait, how can R4 be the DR? I thought it needed more neighbors!
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Roosevelt
11 months ago
I disagree with B, there's no evidence of it being a stub area.
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Tran
11 months ago
A is definitely true, all LSAs are for Area 1.
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Gracia
11 months ago
I think I recall that if there's a Router-LSA, it might mean no neighbor relationship exists, but I’m not completely clear on how to interpret that in this context.
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Aliza
11 months ago
I feel confident that R4 is the DR based on the LSAs shown, but I need to double-check what it means for an area to be a stub.
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Lon
11 months ago
I practiced a similar question where we had to identify the router ID and its LSAs, and I think I got confused about whether a stub area can have Type 2 LSAs.
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Leatha
12 months ago
I remember studying the types of LSAs, and I think the presence of Network-LSAs indicates R4 is the DR, but I'm not entirely sure about the stub area concept.
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Altha
12 months ago
This is a tricky one. I'll need to review the OSPF concepts around LSAs and areas to make sure I'm interpreting everything correctly. Gotta be careful on the exam.
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Verda
12 months ago
Okay, let me think this through step-by-step. The LSA details give me the information I need to evaluate each statement. I just need to take my time and not rush.
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Olene
12 months ago
Hmm, I'm a bit unsure about this one. The LSDB data seems complex, and I'll need to really focus to make sure I understand all the implications before answering.
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Jenelle
12 months ago
This question looks pretty straightforward. I think I can handle it - the key is to carefully analyze the information provided in the LSA details.
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Jillian
12 months ago
I'm a bit unsure about this one. The options seem similar, so I'll need to really read through the descriptions to try to identify the right API.
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Arlene
12 months ago
I'm a bit unsure about this one. I know internal auditors are supposed to highlight issues, but I'm not sure if recommending a consulting firm would be considered appropriate.
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Nieves
1 year ago
Designated Router? More like Designated Roofer, amirite?
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Evette
1 year ago
Looks like R4 has some important responsibilities in this network.
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Rikki
1 year ago
Yeah, R4 is the DR on a link according to the LSAs.
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Leah
1 year ago
Haha, Designated Roofer, I like that!
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Deandrea
1 year ago
No OSPFv3 neighbor relationship? I bet someone's router is having a bad day.
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Leana
1 year ago
Hopefully they can troubleshoot and get it resolved quickly.
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Truman
1 year ago
It could be a configuration problem or a physical issue with the link.
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Galen
1 year ago
That's right, no OSPFv3 neighbor relationship means there might be some network issues.
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Tuyet
1 year ago
R4 must be the DR for that link.
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Cathern
1 year ago
Yes, since it's the origin of the Network-LSA.
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Huey
1 year ago
Stub area? Really? I guess they're trying to trick us. Good thing I read the question carefully.
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Haydee
1 year ago
For sure, always important to carefully read and interpret the information given.
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Fatima
1 year ago
Definitely, the key was in analyzing the LSAs and the network setup.
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Hobert
1 year ago
I know, but it was a good thing we paid attention to the details.
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Shannan
1 year ago
Yeah, they tried to throw us off with that stub area option.
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Refugia
1 year ago
And is R4 the DR on a link?
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Tuyet
1 year ago
That's right. R4 has a link with no OSPFv3 adjacency.
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Cathern
1 year ago
There's at least one link with no neighbor on R4.
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Refugia
1 year ago
I see. What about the OSPFv3 neighbor relationship on R4?
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Tuyet
1 year ago
Exactly, stub areas don't receive Type 5 LSAs.
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Cathern
1 year ago
No, there's no indication that it's a stub area.
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Refugia
1 year ago
But is Area 1 a stub area?
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Tuyet
1 year ago
Yes, that's correct. The LSAs are all for Area 1.
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Cathern
1 year ago
I think the LSAs belong to area 1.
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Edda
1 year ago
Yes, one of the LSAs indicates that. R4 must have a link with no neighbor.
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Burma
1 year ago
Do you think R4 has no OSPFv3 neighbor on at least one link?
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Jina
1 year ago
Area 1? I thought it was Area 0.0.0.1. Looks like someone needs to brush up on their OSPF knowledge.
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Lottie
1 year ago
The presence of Network-LSAs (Type 2) indicates that a multi-access link exists. Statement D is correct.
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Cary
1 year ago
One LSA references a Router-LSA, while two reference Network-LSAs. Statement C is correct.
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Talia
1 year ago
The table explicitly shows 'Intra-Area-Prefix-LSA (Area 0.0.0.1)', meaning all LSAs are for Area 1. Statement A is correct.
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Jamal
1 year ago
I thought it was Area 0.0.0.1. Looks like someone needs to brush up on their OSPF knowledge.
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Edda
1 year ago
Yes, that's correct. The LSAs are for Area 1.
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Burma
1 year ago
I think the LSAs belong to area 1.
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