- A
VolumeQueueLength
Indicates pending I/O requests.
- B
VolumeReadBytes
Measures read throughput.
- C
VolumeWriteBytes
Measures write throughput.
- D
CPUCreditBalance
Why wrong: CPUCreditBalance is for CPU credits, not EBS.
- E
BurstBalance
Why wrong: BurstBalance is for T2/T3 instances, not EBS volumes.
Question 1,714 of 1,733
PAS-C01 Operations and Maintenance Practice Question
This PAS-C01 practice question tests your understanding of operations and maintenance. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An SAP administrator is troubleshooting a performance issue where the SAP application is slow. The administrator suspects that the EBS volumes are not meeting performance requirements. Which THREE metrics should be examined in Amazon CloudWatch to confirm this? (Choose THREE.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
VolumeQueueLength
Options A, B, and C are correct. VolumeQueueLength indicates the number of pending I/O requests, which can point to performance bottlenecks. VolumeReadBytes and VolumeWriteBytes measure the throughput of read and write operations, respectively. Option D (CPUCreditBalance) is related to CPU credits for burstable instances, not EBS performance. Option E (BurstBalance) tracks EBS burst credits but is not among the primary metrics to confirm EBS volume performance issues; the three chosen metrics directly address I/O queue depth and throughput.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
VolumeQueueLength
Why this is correct
Indicates pending I/O requests.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
VolumeReadBytes
Why this is correct
Measures read throughput.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
VolumeWriteBytes
Why this is correct
Measures write throughput.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
CPUCreditBalance
Why it's wrong here
CPUCreditBalance is for CPU credits, not EBS.
- ✗
BurstBalance
Why it's wrong here
BurstBalance is for T2/T3 instances, not EBS volumes.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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Operations and Maintenance — study guide chapter
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: VolumeQueueLength — Options A, B, and C are correct. VolumeQueueLength indicates the number of pending I/O requests, which can point to performance bottlenecks. VolumeReadBytes and VolumeWriteBytes measure the throughput of read and write operations, respectively. Option D (CPUCreditBalance) is related to CPU credits for burstable instances, not EBS performance. Option E (BurstBalance) tracks EBS burst credits but is not among the primary metrics to confirm EBS volume performance issues; the three chosen metrics directly address I/O queue depth and throughput.
What should I do if I get this PAS-C01 question wrong?
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.
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