The answer is to create an Amazon CloudWatch Events rule that matches the UpdateTrail API call and triggers an SNS notification. This is correct because CloudWatch Events (now part of Amazon EventBridge) provides real-time, event-driven monitoring of AWS API calls, allowing you to capture the exact moment someone attempts to disable CloudTrail logging and immediately alert your security team via SNS. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this question tests your understanding of real-time event detection versus configuration auditing—a common trap is choosing AWS Config, which evaluates resource compliance but cannot trigger instant alerts. GuardDuty and Trusted Advisor are also frequent distractors because they address security threats and best practices, not specific API call monitoring. For the exam, remember the memory tip: "Events for actions, Config for compliance"—if you need to catch an API call the moment it happens, think CloudWatch Events, not Config.
DOP-C02 Security and Compliance Practice Question
This DOP-C02 practice question tests your understanding of security and compliance. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 CloudTrail to log API activity. The security team needs to ensure that any attempt to disable CloudTrail logging is immediately detected and alerted. What is the MOST secure and efficient way to achieve this?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "immediately / without restart"
Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an Amazon CloudWatch Events rule that matches the UpdateTrail API call and triggers an SNS notification.
Option C is correct because a CloudWatch Events rule can capture the UpdateTrail API call and trigger an SNS notification for immediate alerting. Option A is wrong because Config rules evaluate resource configurations but do not provide real-time notifications. Option B is wrong because GuardDuty focuses on threat detection, not configuration changes. Option D is wrong because Trusted Advisor provides best-practice checks but not real-time alerts.
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.
✗
Use AWS Trusted Advisor to check CloudTrail configuration and email the security team.
Why it's wrong here
Trusted Advisor checks are periodic and not real-time.
✗
Enable Amazon GuardDuty and configure a custom threat list to monitor CloudTrail API calls.
Why it's wrong here
GuardDuty is for threat detection, not configuration change monitoring.
✗
Create an AWS Config rule to detect changes to CloudTrail configuration and send an SNS notification.
Why it's wrong here
AWS Config evaluates configuration changes but does not provide real-time notifications; it runs periodic evaluations.
✓
Create an Amazon CloudWatch Events rule that matches the UpdateTrail API call and triggers an SNS notification.
Why this is correct
CloudWatch Events can match API calls in real time and trigger actions.
Clue confirmation
The clue word "immediately / without restart" in the question point toward this answer.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which DOP-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.
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: Create an Amazon CloudWatch Events rule that matches the UpdateTrail API call and triggers an SNS notification. — Option C is correct because a CloudWatch Events rule can capture the UpdateTrail API call and trigger an SNS notification for immediate alerting. Option A is wrong because Config rules evaluate resource configurations but do not provide real-time notifications. Option B is wrong because GuardDuty focuses on threat detection, not configuration changes. Option D is wrong because Trusted Advisor provides best-practice checks but not real-time alerts.
What should I do if I get this DOP-C02 question wrong?
Identify which DOP-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.
Are there clue words in this question I should notice?
Yes — watch for: "immediately / without restart". Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
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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