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CompTIA Exam XK0-005 Topic 3 Question 44 Discussion

Actual exam question for CompTIA's XK0-005 exam
Question #: 44
Topic #: 3
[All XK0-005 Questions]

Users are reporting that a Linux server is responding slowly. A systems administrator troubleshooting the server issue sees the following iostat output, with %iowait at 50.38. Which of the following is most likely the issue?

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Suggested Answer: A

The %iowait value represents the percentage of time the CPU is waiting for I/O operations to complete. A high %iowait value suggests the system is bottlenecked by disk I/O, which could lead to slow response times. Addressing disk I/O bottlenecks would improve performance.


by Vilma at Oct 24, 2024, 10:20 AM

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Argelia
7 months ago
You know what they say, 'if the iowait's high, it's time to say goodbye.' Gotta be A, my dudes.
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Stephaine
5 months ago
A) The CPU is mostly waiting for I/O operations.
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Fernanda
5 months ago
Nah, it's more likely the CPU waiting for I/O.
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Rusty
5 months ago
C) /var filesystem is almost full.
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Gearldine
5 months ago
Yeah, that high iowait percentage is a dead giveaway.
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Florinda
6 months ago
A) The CPU is mostly waiting for I/O operations.
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Nickie
7 months ago
I bet the admin is wondering if they accidentally ordered the 'Slow Server 3000' model. Option A is the way to go here.
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Socorro
6 months ago
C) /var filesystem is almost full.
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Marshall
6 months ago
B) / filesystem does not have enough storage allocated.
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Yvonne
7 months ago
A) The CPU is mostly waiting for I/O operations.
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Emelda
7 months ago
Ah, the good old 'waiting on I/O' problem. Classic Linux server issue. Definitely option A.
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Novella
7 months ago
Hmm, with 50.38% iowait, it's gotta be A. The CPU is just twiddling its thumbs waiting for I/O to catch up.
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Amie
7 months ago
I'll start investigating ways to improve the I/O performance on the server.
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Tuyet
7 months ago
That sounds like a good plan. Let's look into that.
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Murray
7 months ago
Should we try to optimize the I/O operations to reduce the wait time?
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Stephania
7 months ago
I agree, the CPU is definitely waiting around for I/O operations.
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Gerald
8 months ago
I agree with Kina, %iowait at 50.38 indicates CPU is waiting for I/O.
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Kina
8 months ago
I think the issue is that the CPU is mostly waiting for I/O operations.
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