- A
Manually review all buckets using the S3 console and enable encryption for those that are not encrypted.
Why wrong: Not automated; error-prone and not scalable.
- B
Write a script that runs daily on an EC2 instance to list all buckets and enable encryption on any that are not encrypted.
Why wrong: Requires managing EC2 and is not real-time; less efficient.
- C
Use AWS Config with the s3-bucket-server-side-encryption-enabled rule and configure an AWS Systems Manager Automation document to remediate non-compliant buckets.
Correct: Config detects non-compliance and SSM Automation remediates automatically.
- D
Use AWS Trusted Advisor to check for unencrypted buckets and send an SNS notification to the security team to manually remediate.
Why wrong: Only notifies; does not automatically remediate.
SCS-C02 Infrastructure Security Practice Question
This SCS-C02 practice question tests your understanding of infrastructure security. 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 Organizations to manage multiple accounts. The security team must enforce that all Amazon S3 buckets across all accounts are encrypted with AWS KMS. The team has enabled S3 default encryption for new buckets, but existing buckets may not be encrypted. They need to automatically remediate any non-compliant buckets. The team has AWS Config and AWS Lambda available. What is the MOST operationally efficient solution?
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 AWS Config with the s3-bucket-server-side-encryption-enabled rule and configure an AWS Systems Manager Automation document to remediate non-compliant buckets.
Using AWS Config with a managed rule (s3-bucket-server-side-encryption-enabled) to detect non-compliant buckets and triggering a Lambda function via EventBridge to enable encryption is the most efficient. This is automated and serverless.
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.
- ✗
Manually review all buckets using the S3 console and enable encryption for those that are not encrypted.
Why it's wrong here
Not automated; error-prone and not scalable.
- ✗
Write a script that runs daily on an EC2 instance to list all buckets and enable encryption on any that are not encrypted.
Why it's wrong here
Requires managing EC2 and is not real-time; less efficient.
- ✓
Use AWS Config with the s3-bucket-server-side-encryption-enabled rule and configure an AWS Systems Manager Automation document to remediate non-compliant buckets.
Why this is correct
Correct: Config detects non-compliance and SSM Automation remediates automatically.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS Trusted Advisor to check for unencrypted buckets and send an SNS notification to the security team to manually remediate.
Why it's wrong here
Only notifies; does not automatically remediate.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which SCS-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.
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FAQ
Questions learners often ask
What does this SCS-C02 question test?
Infrastructure Security — This question tests Infrastructure Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use AWS Config with the s3-bucket-server-side-encryption-enabled rule and configure an AWS Systems Manager Automation document to remediate non-compliant buckets. — Using AWS Config with a managed rule (s3-bucket-server-side-encryption-enabled) to detect non-compliant buckets and triggering a Lambda function via EventBridge to enable encryption is the most efficient. This is automated and serverless.
What should I do if I get this SCS-C02 question wrong?
Identify which SCS-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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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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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