The correct answer is to store logs in Amazon S3 Standard for 90 days, then transition to Amazon S3 Glacier Deep Archive for the remaining 7-year retention period. This solution meets the compliance requirement for cost-effective CloudTrail log storage for 7 years by aligning access patterns with the appropriate storage tiers: S3 Standard provides immediate retrieval for the first 90 days, while Glacier Deep Archive offers the lowest storage cost for long-term archival, with retrieval times of up to 12 hours that satisfy the later access window. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of S3 lifecycle policies and cost optimization across storage classes, often appearing as a trap where candidates mistakenly choose S3 Glacier or Standard-IA, which are more expensive for 7-year retention. Remember the memory tip: “90 days hot, then Deep Archive not”—immediate access needs a warm tier, but for long-term compliance, go straight to the deepest cold storage for maximum savings.
SAP-C02 Continuous Improvement for Existing Solutions Practice Question
This SAP-C02 practice question tests your understanding of continuous improvement for existing solutions. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 uses AWS CloudTrail to log API activity. The compliance team requires that logs be stored for 7 years and be immediately accessible for the first 90 days, after which access can take up to 12 hours. Which storage solution meets these requirements cost-effectively?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Clue: "immediately / without restart"
Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Store logs in Amazon S3 Standard for 90 days, then transition to Amazon S3 Glacier Deep Archive.
Option C is correct because S3 Standard for 90 days then transition to S3 Glacier Deep Archive meets access needs and cost. Option A is wrong because S3 Glacier is more expensive than Deep Archive for long-term. Option B is wrong because S3 Standard-IA is not cost-effective for 7 years. Option D is wrong because S3 One Zone-IA has lower durability and not suitable for compliance.
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.
✗
Store logs in Amazon S3 Standard for 90 days, then transition to Amazon S3 Glacier for the remainder.
Why it's wrong here
Glacier retrieval might be faster than 12 hours but more expensive.
✗
Store logs in Amazon S3 One Zone-Infrequent Access for 90 days, then delete.
Why it's wrong here
Not compliant due to low durability and deletion after 90 days.
✓
Store logs in Amazon S3 Standard for 90 days, then transition to Amazon S3 Glacier Deep Archive.
Why this is correct
Deep Archive offers low cost with 12-hour retrieval.
Clue confirmation
The clue words "first", "immediately / without restart" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Store logs in Amazon S3 Standard-Infrequent Access for 90 days, then transition to Amazon S3 Standard.
Why it's wrong here
S3 Standard is more expensive for long-term.
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 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.
What to study next
Got this wrong? Here's your next step.
Identify which SAP-C02 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.
Continuous Improvement for Existing Solutions — This question tests Continuous Improvement for Existing Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Store logs in Amazon S3 Standard for 90 days, then transition to Amazon S3 Glacier Deep Archive. — Option C is correct because S3 Standard for 90 days then transition to S3 Glacier Deep Archive meets access needs and cost. Option A is wrong because S3 Glacier is more expensive than Deep Archive for long-term. Option B is wrong because S3 Standard-IA is not cost-effective for 7 years. Option D is wrong because S3 One Zone-IA has lower durability and not suitable for compliance.
What should I do if I get this SAP-C02 question wrong?
Identify which SAP-C02 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.
Are there clue words in this question I should notice?
Yes — watch for: "first", "immediately / without restart". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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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