Cisco Exam 300-425 Topic 7 Question 78 Discussion

Actual exam question for Cisco's 300-425 exam

Question #: 78
Topic #: 7

[All 300-425 Questions]

Refer to the exhibit.

A WLC SSO pair is set up. Which failure scenario causes a split-brain scenario?

ARP is down.

BTwo distribution ports on the active WLC are down.

CVSL is down.

DOne distribution port on the active WLC is down.

Show Suggested Answer

Suggested Answer: C

by Felix at Nov 27, 2023, 04:17 AM

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Graciela

6 months ago

I agree with Camellia. The VSL is the critical link that keeps the two controllers in sync, so if that goes down, it's a recipe for disaster. I'd bet that's the right answer.

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Haha, I can just imagine the controllers arguing with each other, 'No, I'M the active one!' This is the kind of question that really makes you think about the underlying architecture and how it's supposed to handle failures.

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Micah

5 months ago

That's a good point, having two distribution ports down would cause a split-brain scenario for sure.

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Blossom

5 months ago

B) Two distribution ports on the active WLC are down.

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Ammie

5 months ago

Yeah, if one of the distribution ports goes down, there's a high chance of split-brain happening.

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Talia

5 months ago

D) One distribution port on the active WLC is down.

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Rashida

5 months ago

Oh no, that would definitely cause a split-brain scenario.

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My

5 months ago

C) VSL is down.

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Juliann

5 months ago

A) RP is down.

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Camellia

6 months ago

Haha, yeah, imagine if the distribution ports went down and the controllers were just sitting there, like 'Hello? Can anyone hear me?' That would be a pretty funny situation, if it wasn't so serious.

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Bonita

6 months ago

You know, I was also considering option B, with both distribution ports on the active controller going down. That would effectively isolate the active controller, right? But I think you guys are probably right about the VSL being the bigger issue.

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Cisco Exam 300-425 Topic 7 Question 78 Discussion

Contribute your Thoughts:

Graciela

Roosevelt

Micah

Blossom

Ammie

Talia

Rashida

My

Juliann

Camellia

Bonita