Discuss Cisco 300-540 Exam Topic 2 Question 13

Refer to the exhibit.

Refer to the exhibit. An engineer is troubleshooting a physical configuration issue in Cisco NFVI. Which two observations should be made? (Choose two.)

A. The node allows two disks to fail. B. One RAID 1 disk failed. C. The node is still functional. D. The node is no longer functional. E. Two RAID 1 disks failed.

BOne RAID 1 disk failed -- correct.

CThe node is still functional -- correct; RAID1 can tolerate a single disk failure.
The other options are incorrect:
A and E suggest two disk failures, which is not indicated.
D would be true only if both disks failed; with one disk still online, the node continues to function, though in a degraded state.

Suggested Answer: B, C

From the RAID controller output:

The RAID1 virtual drive is shown as ''Dgrd'' (degraded) with a note: ''RAID 1 in degraded state.''

In the PD LIST, one disk (slot 2) is marked ''UGood -- active disk in slot 2 disconnected from drive group 0'', while the other (slot 3) is ''Onln 0'' (online and part of drive group 0).

This means:

In a RAID 1 mirror, only one disk may fail while the array remains available.

Here, one disk has failed/disconnected, the other is still online the array is degraded but operational.

Therefore:

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14 comments · newest first

Erick 2 months ago

Exactly! D is misleading too. The node is still functional with one disk down.

Melissa 2 months ago

Right! A and E are definitely wrong. Two failures would take it down.

Jennifer 2 months ago

I’m confident about B and C. One disk can fail in RAID 1, and the node stays up.

Erick 2 months ago

Agreed! I feel like I need to double-check my RAID knowledge.

Melissa 2 months ago

I think the question is tricky. RAID configurations can be confusing.

Juliann 2 months ago

I thought RAID 1 meant it couldn't fail at all!

Ernestine 3 months ago

A and E are definitely wrong, only one disk issue here.

Cory 3 months ago

Wait, how can it still work with one disk down?

Mickie 3 months ago

Totally agree, the node is still functional!

Chantell 3 months ago

One RAID 1 disk failed, right?

Layla 3 months ago

I keep mixing up the RAID levels; I hope I got this right. D seems wrong because the node should still work with one disk down, right?

Lillian 3 months ago

I practiced a similar question where one disk failure still kept the system running, so I feel confident about B and C being correct.

Salina 4 months ago

I'm a bit unsure about option A; I thought it could allow for two failures, but I guess that's not the case here.

Ronnie 4 months ago

I remember studying RAID configurations, and I think RAID 1 can handle one disk failure, so C makes sense.

Cisco 300-540 Exam - Topic 2 Question 13 Discussion