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LPI 201-450 Exam - Topic 4 Question 46 Discussion

Which single command will simulate a failed device within a RAID 5 array?
D) mdadm --fail /dev/md0 /dev/sdc1
A) mdadm --remove /dev/md0 /dev/sdd1
B) mdadm --zero-superblock /dev/sdf3
C) mdadm --force-fault /dev/md2 /dev/sde2
E) mdadm /dev/md0 --offline /dev/sdc1

LPI 201-450 Exam - Topic 4 Question 46 Discussion

Actual exam question for LPI's 201-450 exam
Question #: 46
Topic #: 4
[All 201-450 Questions]

Which single command will simulate a failed device within a RAID 5 array?

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Suggested Answer: D

by Melodie at May 08, 2022, 09:08 PM

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Chauncey
10 months ago
Yeah, D makes sense, but I didn't know it was that straightforward!
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Tyisha
10 months ago
Just to clarify, D is for failing a device, right?
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Arlyne
10 months ago
Wait, are you sure about that? I thought it was C.
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Lindy
10 months ago
I agree, D is definitely the one!
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Lon
11 months ago
Option D is the right command to fail a device in RAID 5.
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Ivan
11 months ago
I think I saw a similar question where "force-fault" was mentioned, but it seems more like a different scenario. I’m leaning towards D as well.
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Darrin
11 months ago
I’m a bit confused because I thought "offline" was also a way to simulate failure, but I can't recall if it actually marks the device as failed.
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Carla
11 months ago
I remember practicing with mdadm commands, and I feel like "mdadm --fail" is definitely the right one, which would make D the answer.
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Vivan
11 months ago
I think the command to simulate a failed device is related to the "fail" option, but I'm not completely sure if it's option D or E.
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Krystal
11 months ago
Okay, I've got it! The answer is A. The Encrypt Server Cookies setting with the "Encrypt All" option will ensure the cookie is always sent over a secure TLS connection.
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Melodie
11 months ago
I've got this! Salary levels and skills gaps are important for hiring and staffing, so the answer must be related to recruitment or workforce planning. I'm going to go with Service Desk recruitment.
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Willodean
11 months ago
I remember something about geolocation-based filtering being used to block suspicious regions, but I'm not entirely sure if it's one of the features here.
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Apolonia
11 months ago
Git checkout? I don't think that's the right command here. Wouldn't that just switch to a different branch? I'm pretty sure we need something that can undo the specific commit that was made.
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