PAS-C01 Operations and Maintenance Practice Question
This PAS-C01 practice question tests your understanding of operations and maintenance. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
A company is running an SAP HANA database on an EC2 instance with a single EBS volume for /hana/data. The performance team reports high write latency during peak hours. Which change would most effectively reduce write latency without compromising data durability?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure multiple EBS volumes in a striped RAID 0 array for the /hana/data directory
Option B is correct because using multiple EBS volumes with striping increases I/O throughput and reduces latency by distributing writes. Option A (increasing volume size) may not improve latency. Option C (provisioned IOPS) could help but is more expensive and less effective than striping for this scenario. Option D (moving to GP2) is a downgrade in performance.
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.
✗
Switch the EBS volume type to Provisioned IOPS SSD (io1) with high IOPS
Why it's wrong here
Provisioned IOPS can help but is more expensive; striping is more effective for throughput.
✗
Increase the size of the EBS volume to gain more baseline IOPS
Why it's wrong here
Increasing volume size improves baseline IOPS but may not significantly reduce write latency.
✗
Move the /hana/data directory to a General Purpose SSD (gp2) volume
Why it's wrong here
GP2 is lower performance than io1 or striping; it would increase latency.
✓
Configure multiple EBS volumes in a striped RAID 0 array for the /hana/data directory
Why this is correct
Striping across multiple EBS volumes distributes I/O and reduces latency.
Related concept
Read the scenario before looking for a memorised answer.
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.
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: Configure multiple EBS volumes in a striped RAID 0 array for the /hana/data directory — Option B is correct because using multiple EBS volumes with striping increases I/O throughput and reduces latency by distributing writes. Option A (increasing volume size) may not improve latency. Option C (provisioned IOPS) could help but is more expensive and less effective than striping for this scenario. Option D (moving to GP2) is a downgrade in performance.
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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Question Discussion
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