This SCS-C02 practice question tests your understanding of security logging and monitoring. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. 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 organization has a requirement to retain all security logs for at least 7 years for compliance. The logs are stored in Amazon S3 and are rarely accessed. Which storage class is the MOST cost-effective for this retention period?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
S3 Glacier Deep Archive
Lowest cost for long-term archival with retrieval time of 12 hours.
S3 Standard
Why wrong: Standard is for frequent access, not cost-effective for 7-year retention.
S3 One Zone-IA
Why wrong: One Zone-IA is for infrequent access but not as cheap as Deep Archive for long term.
S3 Intelligent-Tiering
Why wrong: Intelligent-Tiering automatically moves data, but Glacier Deep Archive is cheaper.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
S3 Glacier Deep Archive
Option C is correct because S3 Glacier Deep Archive is designed for long-term retention of data that is accessed rarely, with a retrieval time of 12 hours, and is the lowest cost storage class. Option A is wrong because S3 Standard is for frequently accessed data and is expensive. Option B is wrong because S3 Intelligent-Tiering is for data with unknown access patterns but still not cheapest for 7 years. Option D is wrong because S3 One Zone-IA is for infrequent access but not designed for long-term archival.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
S3 Glacier Deep Archive
Why this is correct
Lowest cost for long-term archival with retrieval time of 12 hours.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
S3 Standard
Why it's wrong here
Standard is for frequent access, not cost-effective for 7-year retention.
S3 One Zone-IA
Why it's wrong here
One Zone-IA is for infrequent access but not as cheap as Deep Archive for long term.
S3 Intelligent-Tiering
Why it's wrong here
Intelligent-Tiering automatically moves data, but Glacier Deep Archive is cheaper.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
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
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SCS-C02 NAT questions on configuration and troubleshooting.
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FAQ
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Static NAT maps one inside address to one outside address..
The correct answer is: S3 Glacier Deep Archive — Option C is correct because S3 Glacier Deep Archive is designed for long-term retention of data that is accessed rarely, with a retrieval time of 12 hours, and is the lowest cost storage class. Option A is wrong because S3 Standard is for frequently accessed data and is expensive. Option B is wrong because S3 Intelligent-Tiering is for data with unknown access patterns but still not cheapest for 7 years. Option D is wrong because S3 One Zone-IA is for infrequent access but not designed for long-term archival.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SCS-C02 NAT questions on configuration and troubleshooting.
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
This SCS-C02 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 SCS-C02 exam.
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