← SOA-C02·Amazon Web Services

Question 563 of 1,546

Security and Compliance →easyMultiple ChoiceObjective-mapped

SOA-C02 Security and Compliance Practice Question

This SOA-C02 practice question tests your understanding of security and compliance. 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 SysOps administrator needs to ensure that all Amazon S3 buckets in an AWS account are encrypted at rest. The administrator wants to automatically remediate any bucket that is created without default encryption. Which AWS service should be used to achieve this with the least operational overhead?

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.

Question 1easymultiple choice

Full question →

A
AWS Config with a managed rule and auto-remediation via AWS Systems Manager Automation
AWS Config can evaluate resources against managed rules and trigger automated remediation actions, such as enabling S3 default encryption via SSM Automation.
B
AWS CloudTrail with Amazon CloudWatch Events and AWS Lambda
Why wrong: CloudTrail logs API calls but does not directly evaluate or enforce resource configurations. Custom Lambda functions would be needed to detect and remediate, adding operational overhead.
C
AWS Trusted Advisor with Amazon Simple Notification Service (SNS)
Why wrong: Trusted Advisor provides security checks but does not include automated remediation for S3 encryption. It only sends notifications.
D
Amazon Inspector with AWS Systems Manager Patch Manager
Why wrong: Amazon Inspector assesses network accessibility and vulnerabilities of EC2 instances, not S3 bucket encryption. Patch Manager is unrelated.

Full breakdown with real-world context →

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

✓

AWS Config with a managed rule and auto-remediation via AWS Systems Manager Automation

AWS Config with the managed rule 's3-bucket-default-encryption-enabled' can detect S3 buckets that lack default encryption. By attaching an AWS Systems Manager Automation document (e.g., 'AWS-EnableS3BucketEncryption') as an auto-remediation action, the administrator can automatically apply AES-256 or AWS-KMS encryption to noncompliant buckets without manual intervention, minimizing operational overhead.

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.

✓
AWS Config with a managed rule and auto-remediation via AWS Systems Manager Automation
Why this is correct
AWS Config can evaluate resources against managed rules and trigger automated remediation actions, such as enabling S3 default encryption via SSM Automation.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
AWS CloudTrail with Amazon CloudWatch Events and AWS Lambda
Why it's wrong here
CloudTrail logs API calls but does not directly evaluate or enforce resource configurations. Custom Lambda functions would be needed to detect and remediate, adding operational overhead.
✗
AWS Trusted Advisor with Amazon Simple Notification Service (SNS)
Why it's wrong here
Trusted Advisor provides security checks but does not include automated remediation for S3 encryption. It only sends notifications.
✗
Amazon Inspector with AWS Systems Manager Patch Manager
Why it's wrong here
Amazon Inspector assesses network accessibility and vulnerabilities of EC2 instances, not S3 bucket encryption. Patch Manager is unrelated.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may assume AWS Config only provides detection and not remediation, overlooking the auto-remediation integration with Systems Manager Automation, or they may confuse AWS Config's managed rules with Trusted Advisor's advisory checks.

Detailed technical explanation

How to think about this question

AWS Config evaluates resource configurations against rules on a periodic or change-triggered basis. The auto-remediation feature invokes SSM Automation documents, which can run AWS CLI commands like 'put-bucket-encryption' to set the 'AES256' or 'aws:kms' SSE algorithm. This approach ensures that even if a bucket is created via the AWS Management Console, CLI, or SDK, the remediation applies consistently without requiring custom Lambda code.

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.

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

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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this SOA-C02 question test?

Security and Compliance — This question tests Security and Compliance — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: AWS Config with a managed rule and auto-remediation via AWS Systems Manager Automation — AWS Config with the managed rule 's3-bucket-default-encryption-enabled' can detect S3 buckets that lack default encryption. By attaching an AWS Systems Manager Automation document (e.g., 'AWS-EnableS3BucketEncryption') as an auto-remediation action, the administrator can automatically apply AES-256 or AWS-KMS encryption to noncompliant buckets without manual intervention, minimizing operational overhead.

What should I do if I get this SOA-C02 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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