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GAQM LCP-001 Exam - Topic 1 Question 31 Discussion

After running the command umount /mnt, the following error message is displayed: umount: /mnt: device is busy. What is a common reason for this message?
B) A user has a file open in the /mnt directory.
A) The kernel has not finished flushing disk writes to the mounted device.
C) The previous rm command has not finished.
D) The files in /mnt have been scanned and added to the locate database.
E) The kernel thinks that a process is about to open a file in /mnt for reading.

GAQM LCP-001 Exam - Topic 1 Question 31 Discussion

Actual exam question for GAQM's LCP-001 exam
Question #: 31
Topic #: 1
[All LCP-001 Questions]

After running the command umount /mnt, the following error message is displayed: umount: /mnt: device is busy. What is a common reason for this message?

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Suggested Answer: B

by Stephaine at Jun 17, 2022, 11:18 PM

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Krissy
8 months ago
Nah, I don't think the rm command would cause that error.
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Bev
8 months ago
I think it's also possible that disk writes are still flushing.
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Dominga
9 months ago
Wait, how can the kernel think a process is about to open a file? Sounds weird.
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Sherron
9 months ago
Totally agree, that's the most likely issue!
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Rosamond
9 months ago
Common reason is usually a user has a file open in /mnt.
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Fernanda
9 months ago
I feel like the rm command being incomplete could be a possibility, but I don’t recall it being a common reason.
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Marylin
9 months ago
I practiced a similar question where a process was holding onto a file, so option E sounds familiar.
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Ivette
9 months ago
I’m not entirely sure, but I think the kernel flushing writes could be a reason too, like option A?
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Ty
9 months ago
I remember something about files being open in the mounted directory causing issues, so maybe option B is correct?
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Roy
9 months ago
Hmm, this one seems straightforward. I think the answer is TLS, since that's the standard protocol for secure syslog transmission.
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Francesco
9 months ago
The degree of a table is the number of attributes or fields it contains. Counting the columns in the image, I see there are 4, so the answer is C.
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Louann
10 months ago
Okay, I've got this. The key is to monitor all traffic from the Internet and Suspicious IPs that's destined for AWS databases. Option D looks like it covers that.
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