- A
Increase the IOPS of the current EBS volume to improve performance.
Why wrong: Increasing IOPS improves performance but not durability.
- B
Use Amazon S3 for temporary data storage.
S3 provides high durability at low cost, making it ideal for improving durability of temporary data without significant cost increase.
- C
Add additional EBS volumes and set up RAID 1 for mirroring.
Why wrong: RAID 1 mirroring improves durability but requires additional EBS volumes, increasing costs significantly.
- D
Move the temporary data to an instance store volume if the instance type supports it.
Why wrong: Instance store is ephemeral and does not provide durability; data is lost when the instance is stopped or terminated.
Question 1,102 of 1,746
SAP-C02 Instance Store Practice Question
This SAP-C02 practice question tests your understanding of continuous improvement for existing solutions. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: instance Store. 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 has a legacy application that runs on an EC2 instance with a single EBS volume. The application stores temporary data on a second EBS volume that is attached to the instance. The company wants to improve durability of the temporary data without increasing costs significantly. What should the company do?
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
✓
Use Amazon S3 for temporary data storage.
Option B is correct. Using Amazon S3 for temporary data storage improves durability because S3 offers 99.999999999% durability, far exceeding the durability of a single EBS volume or instance store. It is cost-effective as you pay only for the storage used, with no upfront investment or additional volume costs. Although S3 is object storage, it is suitable for temporary data that does not require block-level access. Option A is incorrect because increasing IOPS does not improve durability. Option C is incorrect because adding EBS volumes and RAID 1 mirroring increases costs significantly due to additional volume charges. Option D is incorrect because moving to instance store reduces durability, as instance store is ephemeral and data is lost on instance stop/termination.
Key principle: Instance Store
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the IOPS of the current EBS volume to improve performance.
Why it's wrong here
Increasing IOPS improves performance but not durability.
- ✓
Use Amazon S3 for temporary data storage.
Why this is correct
S3 provides high durability at low cost, making it ideal for improving durability of temporary data without significant cost increase.
Related concept
Instance Store
- ✗
Add additional EBS volumes and set up RAID 1 for mirroring.
Why it's wrong here
RAID 1 mirroring improves durability but requires additional EBS volumes, increasing costs significantly.
- ✗
Move the temporary data to an instance store volume if the instance type supports it.
Why it's wrong here
Instance store is ephemeral and does not provide durability; data is lost when the instance is stopped or terminated.
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
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Instance Store
- EBS Volumes
- Durability vs. Cost
TExam Day Tips
- 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
Instance Store
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Review instance Store, then practise related SAP-C02 questions on the same topic to reinforce the concept.
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Continuous Improvement for Existing Solutions — study guide chapter
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Continuous Improvement for Existing Solutions practice questions
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Continuous Improvement for Existing Solutions — This question tests Continuous Improvement for Existing Solutions — Instance Store.
What is the correct answer to this question?
The correct answer is: Use Amazon S3 for temporary data storage. — Option B is correct. Using Amazon S3 for temporary data storage improves durability because S3 offers 99.999999999% durability, far exceeding the durability of a single EBS volume or instance store. It is cost-effective as you pay only for the storage used, with no upfront investment or additional volume costs. Although S3 is object storage, it is suitable for temporary data that does not require block-level access. Option A is incorrect because increasing IOPS does not improve durability. Option C is incorrect because adding EBS volumes and RAID 1 mirroring increases costs significantly due to additional volume charges. Option D is incorrect because moving to instance store reduces durability, as instance store is ephemeral and data is lost on instance stop/termination.
What should I do if I get this SAP-C02 question wrong?
Review instance Store, then practise related SAP-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Instance Store
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Last reviewed: Jun 20, 2026
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