Quick Answer
The answer is AWS Config, because it provides managed rules such as s3-bucket-server-side-encryption-enabled to continuously evaluate S3 bucket encryption compliance and can automatically remediate non-compliant resources by invoking SSM Automation documents or Lambda functions. This works by defining a remediation action within an AWS Config rule—when a bucket is flagged as non-compliant, Config triggers the specified remediation, such as enabling default encryption or applying a bucket policy. On the AWS Certified Data Engineer Associate DEA-C01 exam, this scenario tests your understanding of how Config integrates with other services for automated governance, often appearing as a distractor against services like AWS CloudTrail or AWS Shield, which lack remediation capabilities. A common trap is confusing AWS Config’s detective and corrective roles with AWS CloudTrail’s logging-only function. Memory tip: think “Config corrects compliance” to remember it handles both detection and auto-remediation.
This DEA-C01 practice question tests your understanding of data security and governance. 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 wants to ensure that all S3 buckets are encrypted using server-side encryption. Which AWS service can be used to automatically remediate non-compliant buckets?
AWS CloudTrail
Why wrong: CloudTrail logs API calls but does not remediate configurations.
Amazon Inspector
Why wrong: Inspector is for security vulnerabilities, not configuration compliance.
AWS Trusted Advisor
Why wrong: Trusted Advisor provides recommendations but does not automatically remediate.
AWS Config
AWS Config can evaluate compliance and automatically remediate resources.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Config
AWS Config can use managed rules like s3-bucket-server-side-encryption-enabled to check compliance and trigger auto-remediation via SSM Automation or Lambda. Option B is correct.
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.
AWS CloudTrail
Why it's wrong here
CloudTrail logs API calls but does not remediate configurations.
Amazon Inspector
Why it's wrong here
Inspector is for security vulnerabilities, not configuration compliance.
AWS Trusted Advisor
Why it's wrong here
Trusted Advisor provides recommendations but does not automatically remediate.
AWS Config
Why this is correct
AWS Config can evaluate compliance and automatically remediate resources.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Identify which DEA-C01 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
Data Security and Governance — This question tests Data Security and Governance — Read the scenario before looking for a memorised answer..
The correct answer is: AWS Config — AWS Config can use managed rules like s3-bucket-server-side-encryption-enabled to check compliance and trigger auto-remediation via SSM Automation or Lambda. Option B is correct.
Identify which DEA-C01 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.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This DEA-C01 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 DEA-C01 exam.
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