Quick Answer
The answer is Amazon Athena, the correct service to analyze WAF blocked requests because it enables direct SQL-based querying of AWS WAF logs stored in Amazon S3 without requiring any data loading or transformation. This works because WAF logs are automatically exported to an S3 bucket, and Athena’s serverless query engine can parse and search those raw logs for patterns like IP addresses, URI paths, or rule actions. On the AWS Certified Security Specialty SCS-C02 exam, this question tests your ability to distinguish between services that query data at rest versus those that visualize or monitor in real time—a common trap is choosing CloudWatch Logs Insights, which only works with CloudWatch Logs, not S3-stored WAF logs. Another pitfall is selecting QuickSight, which can visualize Athena query results but cannot query S3 directly. To remember this, think: WAF logs land in S3, and Athena speaks SQL to S3—so for analyzing blocked requests, Athena is the query engine, not the dashboard.
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 uses AWS WAF to protect a web application. The security team needs to analyze blocked requests to identify attack patterns. Which service should be used to query and visualize WAF logs?
Amazon CloudWatch Logs Insights
Why wrong: CloudWatch Logs Insights operates on CloudWatch Logs, not S3.
Amazon QuickSight
Why wrong: QuickSight visualizes but requires a data source.
Amazon Athena
Athena can query WAF logs in S3 using SQL.
AWS WAF console
Why wrong: The console shows metrics but not detailed querying.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Amazon Athena
Amazon Athena can query WAF logs stored in S3. CloudWatch Logs Insights is for CloudWatch Logs, not directly for S3. QuickSight can visualize but cannot query directly. WAF does not have a built-in query service.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Amazon CloudWatch Logs Insights
Why it's wrong here
CloudWatch Logs Insights operates on CloudWatch Logs, not S3.
Amazon QuickSight
Why it's wrong here
QuickSight visualizes but requires a data source.
Amazon Athena
Why this is correct
Athena can query WAF logs in S3 using SQL.
Related concept
Static NAT maps one inside address to one outside address.
AWS WAF console
Why it's wrong here
The console shows metrics but not detailed querying.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Trap categories for this question
Command / output trap
The console shows metrics but not detailed querying.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
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
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SCS-C02 NAT questions on configuration and troubleshooting.
Security Logging and Monitoring — study guide chapter
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FAQ
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Static NAT maps one inside address to one outside address..
The correct answer is: Amazon Athena — Amazon Athena can query WAF logs stored in S3. CloudWatch Logs Insights is for CloudWatch Logs, not directly for S3. QuickSight can visualize but cannot query directly. WAF does not have a built-in query service.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SCS-C02 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
This SCS-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SCS-C02 exam.
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