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

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?
B) More CPUs
A) Faster CPUs
C) More memory
D) Faster hard drives

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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Ronald
1 month ago
D) Faster hard drives could help with I/O bottlenecks. Storage speed matters!
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Marvel
1 month ago
C) More memory could be the answer too. If there's not enough RAM, it slows down.
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Alex
1 month ago
I disagree, A) Faster CPUs might help. Speed is crucial for busy systems.
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Vicky
2 months ago
I think it needs B) More CPUs. More cores can handle more tasks.
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Jess
2 months ago
Totally agree, more CPUs is the way to go!
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Erin
2 months ago
Wait, how can the run queue be low if CPUs are so busy?
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Leatha
2 months ago
More memory might also be a factor, though.
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Rolande
2 months ago
I think faster CPUs would make a bigger difference.
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Margarita
2 months ago
Definitely more CPUs could help.
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Mike
3 months ago
C) More memory is definitely the way to go. Gotta love those RAM upgrades!
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Rebbecca
3 months ago
Haha, D) Faster hard drives? What is this, the 90s? I think we can safely eliminate that one.
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Melissa
4 months ago
D) Faster hard drives? Really? I don't think that's going to help much in this scenario.
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Dudley
4 months 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
4 months 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
4 months 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
4 months 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
4 months 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
5 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
5 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
5 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
5 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
5 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
5 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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Queenie
27 days ago
I think it might need more CPUs.
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