The correct answer involves scheduling key deletion with a waiting period, using CloudTrail to monitor deletion attempts, and using CloudWatch to alarm on key deletion actions. These three steps work together to prevent accidental KMS key deletion by enforcing a mandatory retention period before the key is actually removed, while also providing visibility and alerting for any deletion attempts. On the AWS Certified Security Specialty SCS-C02 exam, this scenario tests your understanding of the difference between IAM-based deletion prevention and the built-in key deletion safeguards in KMS. A common trap is choosing IAM policies as a solution, but those cannot enforce a retention period—only the scheduled deletion feature with its waiting period can. Another trap is confusing key rotation with deletion prevention; rotation does not protect against deletion at all. Memory tip: think "Schedule, Track, Alarm" to recall the three steps—schedule the deletion with a waiting period, track attempts with CloudTrail, and alarm with CloudWatch.
SCS-C02 Data Protection Practice Question
This SCS-C02 practice question tests your understanding of data protection. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 is using AWS KMS to encrypt data at rest. The security team needs to ensure that keys cannot be deleted before a retention period. Which THREE steps should be taken? (Choose three.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable AWS CloudTrail to log key deletion events.
Options A, C, and E are correct. Scheduling key deletion with a waiting period, using CloudTrail to monitor deletion attempts, and using CloudWatch to alarm on key deletion actions provide protection. Option B is incorrect because IAM policies can prevent deletion but do not enforce a retention period. Option D is incorrect because automatic rotation does not prevent deletion.
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.
✓
Enable AWS CloudTrail to log key deletion events.
Why this is correct
CloudTrail provides audit logs to detect deletion attempts.
Related concept
Read the scenario before looking for a memorised answer.
✓
Set up Amazon CloudWatch alarms to notify on kms:ScheduleKeyDeletion events.
Why this is correct
Alarms can alert administrators of deletion actions.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create an IAM policy that denies kms:ScheduleKeyDeletion.
Why it's wrong here
This prevents deletion but does not enforce a retention period; it's a binary allow/deny.
✗
Enable automatic key rotation.
Why it's wrong here
Rotation does not prevent deletion.
✓
Schedule key deletion with a waiting period (e.g., 7 days).
Why this is correct
Scheduling deletion enforces a waiting period before deletion occurs.
Related concept
Read the scenario before looking for a memorised answer.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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.
Data Protection — This question tests Data Protection — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable AWS CloudTrail to log key deletion events. — Options A, C, and E are correct. Scheduling key deletion with a waiting period, using CloudTrail to monitor deletion attempts, and using CloudWatch to alarm on key deletion actions provide protection. Option B is incorrect because IAM policies can prevent deletion but do not enforce a retention period. Option D is incorrect because automatic rotation does not prevent deletion.
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.
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Question Discussion
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