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Arista ACE-P-ALE1.04 Exam - Topic 2 Question 120 Discussion

Actual exam question for Arista's ACE-P-ALE1.04 exam
Question #: 120
Topic #: 2
[All ACE-P-ALE1.04 Questions]

If one or more CPUs in a system is extremely busy (less than 25% idle) but the run queue is relatively low, what might the system need to improve performance?

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Suggested Answer: B

by Oliva at Jan 05, 2026, 05:16 AM

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Melissa
15 days ago
D) Faster hard drives? Really? I don't think that's going to help much in this scenario.
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Dudley
20 days ago
B) More CPUs could also be a good option if the system is CPU-bound and needs additional processing power.
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Amina
25 days ago
C) More memory seems like the right answer here. If the CPUs are busy but the run queue is low, the issue might be a memory bottleneck.
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Kyoko
1 month ago
I think we talked about disk speed affecting overall performance, but in this case, it seems more CPU-related. D) Faster hard drives might not be the best choice here.
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Kenny
1 month ago
I feel like memory could play a role here, but I can't recall if it's directly related to CPU usage. C) More memory seems plausible, but I’m uncertain.
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Gilma
1 month ago
I’m not entirely sure, but I think we covered a similar question where adding more CPUs helped with performance. So, B) More CPUs might be a good option too.
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Salena
2 months ago
I remember discussing how a low run queue with busy CPUs might indicate that the CPUs are just not fast enough. So, maybe A) Faster CPUs could be the answer?
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Cristal
2 months ago
Hmm, interesting. If the CPUs are the bottleneck but the run queue is low, that makes me think the issue could be with memory or storage. I'll have to weigh the options carefully, but C) more memory seems like the safest bet.
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Enola
2 months ago
This seems like it's testing our understanding of system performance factors. I'm a bit unsure, but I'm leaning towards C) more memory as the best option to improve things in this scenario.
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Clare
2 months ago
Ah, I see what they're getting at. If the CPUs are maxed out but the run queue isn't growing, that implies the issue isn't with the processors themselves. I'd go with B) more CPUs.
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Thora
2 months ago
Okay, let's see. If the CPUs are busy but the run queue is low, that suggests the system might be bottlenecked on something else, not CPU. I'm thinking C) more memory could be the answer.
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Ludivina
2 months ago
Hmm, this one's tricky. I'd need to think about the relationship between CPU utilization and run queue length to figure this out.
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