This PAS-C01 practice question tests your understanding of technology. 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 HANA administrator runs the AWS CLI command shown in the exhibit. The volume is attached to an SAP HANA server. The HANA database is experiencing low write throughput. Which action would most likely improve performance?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Detach the volume and reattach it to a different instance.
Why wrong: Reattaching does not improve performance.
Increase the volume size to 1 TB to double the baseline IOPS.
Why wrong: Increasing size increases IOPS but may not be cost-effective.
Change the volume type to io2 and provision 6000 IOPS.
io2 provides consistent high IOPS.
Enable EBS optimization on the attached instance.
Why wrong: The instance may already be EBS-optimized.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Change the volume type to io2 and provision 6000 IOPS.
The AWS CLI command output shows the volume is a gp2 volume with a size of 500 GB. gp2 volumes provide a baseline IOPS of 3 per GB, so this volume has 1,500 baseline IOPS. For SAP HANA workloads requiring high write throughput, gp2's burst model is insufficient. Changing to io2 Block Express with provisioned 6000 IOPS delivers consistent, high-performance IOPS needed for sustained write operations, directly addressing the low write throughput issue.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Detach the volume and reattach it to a different instance.
Why it's wrong here
Reattaching does not improve performance.
Increase the volume size to 1 TB to double the baseline IOPS.
Why it's wrong here
Increasing size increases IOPS but may not be cost-effective.
Change the volume type to io2 and provision 6000 IOPS.
Why this is correct
io2 provides consistent high IOPS.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Enable EBS optimization on the attached instance.
Why it's wrong here
The instance may already be EBS-optimized.
Common exam traps
The trap here is that candidates often assume increasing volume size (Option B) or enabling EBS optimization (Option D) will solve throughput issues, but they overlook that gp2's burst model is fundamentally unsuitable for sustained SAP HANA write workloads, whereas io2 with provisioned IOPS directly guarantees performance.
Detailed technical explanation
gp2 volumes use a credit-based burst model where baseline IOPS are 3 per GB, and burst credits accumulate up to 5.4 million IOPS for 30 minutes. However, once credits are exhausted, performance drops to baseline. SAP HANA write-intensive workloads require consistent, low-latency IOPS, which io2 Block Express provides with up to 256,000 provisioned IOPS and 99.999% durability. The AWS CLI command output confirms the volume is gp2, so the correct action is to migrate to io2 with provisioned IOPS to eliminate burst credit exhaustion.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Technology — This question tests Technology — Read the scenario before looking for a memorised answer..
The correct answer is: Change the volume type to io2 and provision 6000 IOPS. — The AWS CLI command output shows the volume is a gp2 volume with a size of 500 GB. gp2 volumes provide a baseline IOPS of 3 per GB, so this volume has 1,500 baseline IOPS. For SAP HANA workloads requiring high write throughput, gp2's burst model is insufficient. Changing to io2 Block Express with provisioned 6000 IOPS delivers consistent, high-performance IOPS needed for sustained write operations, directly addressing the low write throughput issue.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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