- A
Configure VPC Flow Logs to capture traffic to the IAM endpoint.
Why wrong: VPC Flow Logs do not capture API activity.
- B
Use S3 event notifications on the CloudTrail bucket for PutObject events.
Why wrong: S3 event notifications don't analyze the content of logs.
- C
Set up a CloudWatch Logs metric filter on the CloudTrail log group for 'AssumeRole' events.
Why wrong: This works but requires manual filter creation and is not specific to anomalies.
- D
Enable CloudTrail Insights to detect anomalous AssumeRole events.
CloudTrail Insights uses machine learning to detect unusual patterns in management events.
Question 1,249 of 1,750
DOP-C02 Incident and Event Response Practice Question
This DOP-C02 practice question tests your understanding of incident and event response. 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 uses AWS CloudTrail to monitor API activity. During an incident, they need to quickly identify any unauthorized IAM role assumption attempts. Which CloudTrail feature should be used to filter and alert on this specific event?
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
✓
Enable CloudTrail Insights to detect anomalous AssumeRole events.
CloudTrail Insights automatically analyzes management events to detect unusual activity, such as spikes in AssumeRole calls, without requiring manual filter configuration. This feature uses machine learning to establish a baseline and then alerts on deviations, making it ideal for quickly identifying unauthorized role assumption attempts during an incident.
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.
- ✗
Configure VPC Flow Logs to capture traffic to the IAM endpoint.
Why it's wrong here
VPC Flow Logs do not capture API activity.
- ✗
Use S3 event notifications on the CloudTrail bucket for PutObject events.
Why it's wrong here
S3 event notifications don't analyze the content of logs.
- ✗
Set up a CloudWatch Logs metric filter on the CloudTrail log group for 'AssumeRole' events.
Why it's wrong here
This works but requires manual filter creation and is not specific to anomalies.
- ✓
Enable CloudTrail Insights to detect anomalous AssumeRole events.
Why this is correct
CloudTrail Insights uses machine learning to detect unusual patterns in management events.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume a CloudWatch Logs metric filter (Option C) is the only way to detect specific events, but they overlook that CloudTrail Insights provides automated anomaly detection without requiring manual filter creation, which is faster during an incident.
Detailed technical explanation
How to think about this question
CloudTrail Insights operates by continuously analyzing management events and using statistical models to detect patterns that deviate from normal behavior, such as a sudden increase in AssumeRole calls from a single principal. It generates Insight events that are separate from standard CloudTrail events and can be delivered to CloudWatch Logs or S3 for alerting. In a real-world scenario, an attacker might use a compromised IAM role to assume another role repeatedly; CloudTrail Insights would flag this as anomalous even if the individual events are authorized, because the frequency or pattern is unusual.
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.
- →
Incident and Event Response — study guide chapter
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
Incident and Event Response — This question tests Incident and Event Response — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable CloudTrail Insights to detect anomalous AssumeRole events. — CloudTrail Insights automatically analyzes management events to detect unusual activity, such as spikes in AssumeRole calls, without requiring manual filter configuration. This feature uses machine learning to establish a baseline and then alerts on deviations, making it ideal for quickly identifying unauthorized role assumption attempts during an incident.
What should I do if I get this DOP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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