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Cisco 350-501 Exam - Topic 4 Question 116 Discussion

Posted by Antonio on Jul 31, 2025 at 06:58 PM

Refer to the exhibit:

What is the effect of this configuration?

Suggested Answer: B

In ISIS, routers can form neighbor relationships even with different system IDs, provided they are configured to be in the same area and the authentication between them is correctly set up.


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26 comments · newest first
DE
Delisa 10 months ago
Wait, are you saying different system IDs alone can cause this? That's wild!
ST
Stephaine 10 months ago
I thought authentication issues would be the main problem here.
GA
Galen 10 months ago
Totally agree, that's a basic rule in networking!
SI
Simona 10 months ago
A is correct, different system IDs will prevent neighbor formation.
AD
Adaline 11 months ago
D seems plausible too, but I think A is the main reason.
JA
Jarod 11 months ago
I thought they could still form a relationship even with different system IDs, but I could be wrong. Maybe option B is possible?
LI
Linwood 11 months ago
I practiced a similar question where area types affected neighbor relationships, so I’m leaning towards option D.
LA
Lazaro 11 months ago
I’m not entirely sure, but I feel like the authentication part could be a factor. Maybe option C?
KA
Karl 12 months ago
I remember something about system IDs being crucial for forming neighbor relationships, so I think option A might be correct.
OL
Oliva 12 months ago
This is a good test of my ISIS knowledge. I'll methodically analyze each answer choice and eliminate the ones that don't fit the given configuration.
AM
Amber 1 year ago
I'm a little confused by the authentication part of the question. Does that play a role in the neighbor relationship, or is that a red herring? I'll need to double-check the ISIS protocol requirements.
RO
Rodrigo 1 year ago
Okay, I've got this. The key here is to focus on the system ID and area type settings. If those don't match, the routers won't be able to form a neighbor relationship.
AN
Annmarie 1 year ago
Hmm, I'm a bit unsure about this one. The configuration seems to be missing some key details, so I'll need to think through the possible scenarios carefully.
CH
Chau 1 year ago
This looks like a pretty straightforward question about ISIS neighbor relationships. I'll carefully review the configuration details and compare them to the answer choices.
NU
Nu 1 year ago
I'm going with option B. How hard can it be to get two routers to talk to each other? They're practically made for it!
CO
Cordelia 1 year ago
I think D is the correct answer, different ISIS area types would cause a failure.
LY
Lynette 1 year ago
Hmm, I don't know about that. Maybe the authentication is missing, that would also cause issues. Though I guess the area type difference could be the real culprit here.
LE
Leonardo 9 months ago
↳ replying to Lynette
Yeah, if the area types don’t match, they won't connect.
HO
Hobert 9 months ago
↳ replying to Lynette
Both could cause problems, but I lean towards the area type.
CA
Carin 10 months ago
↳ replying to Lynette
True, but the area type difference might be more critical.
HU
Hui 11 months ago
↳ replying to Lynette
I think the authentication issue is a big factor.
FE
Fernanda 1 year ago
I'm leaning towards C, missing authentication could be the issue.
KR
Kristel 1 year ago
I disagree, I believe the answer is B.
TA
Tawna 1 year ago
I think the answer is A.
MI
Micheline 1 year ago
The routers definitely can't form a neighbor relationship with different system IDs. That's just basic ISIS 101, man.
TH
Theodora 1 year ago
↳ replying to Micheline
A) The two routers fail to form a neighbor relationship because their system IDs are different.
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