SCS-C02 Security Logging and Monitoring Practice Question
This SCS-C02 practice question tests your understanding of security logging and monitoring. 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 wants to use AWS CloudTrail to monitor data events for all S3 buckets. Which THREE steps are necessary? (Choose THREE.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Specify an S3 bucket to store the log files
Option A is correct because CloudTrail requires a destination S3 bucket to store the log files it generates. Without specifying a bucket, the trail cannot persist logs, and this bucket must have appropriate bucket policies to allow CloudTrail to write logs. This is a mandatory step when creating any trail, whether for management or data events.
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.
✓
Specify an S3 bucket to store the log files
Why this is correct
Logs must be delivered to an S3 bucket.
Related concept
Read the scenario before looking for a memorised answer.
✓
Create a new CloudTrail trail
Why this is correct
A trail is required to deliver log files.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a CloudWatch Events rule to forward data events
Why it's wrong here
Not required; data events are logged directly.
✗
Enable CloudTrail Insights to detect unusual data access
Why it's wrong here
Insights is optional.
✓
Enable data events for all S3 buckets in the trail configuration
Why this is correct
Explicitly enable data events for S3.
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 confuse CloudTrail Insights (which analyzes management events for anomalies) with the ability to log data events, or mistakenly think a CloudWatch Events rule is needed to forward data events, when in fact data events are configured directly in the trail's event selector.
Detailed technical explanation
How to think about this question
CloudTrail data events record object-level API operations (e.g., GetObject, PutObject) on S3 buckets. When enabling data events for all S3 buckets, you must specify an S3 bucket for log delivery (Option A), create a trail (Option B), and configure the trail's event selector to include data events with a scope of 'All S3 buckets' (Option E). Under the hood, CloudTrail uses a bucket policy on the log destination to grant write access, and the trail's event selector is defined in the CloudTrail API as a JSON structure with ReadWriteType and Resources. A common real-world scenario is auditing access to sensitive data; failing to enable data events would miss object-level operations, leaving a gap in security monitoring.
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.
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Specify an S3 bucket to store the log files — Option A is correct because CloudTrail requires a destination S3 bucket to store the log files it generates. Without specifying a bucket, the trail cannot persist logs, and this bucket must have appropriate bucket policies to allow CloudTrail to write logs. This is a mandatory step when creating any trail, whether for management or data events.
What should I do if I get this SCS-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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Question Discussion
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