By combining CloudFront, Route 53, and WAF with AWS Shield, you are building a 'Defense in Depth' strategy. What is the primary role of WAF in this stack?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: To filter malicious web requests (Layer 7) based on rules like IP sets or SQL injection patterns

WAF (Web Application Firewall) specializes in application-layer protection, while Shield handles infrastructure-level attacks....

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Real Exam ScenarioAWS Shield

By combining CloudFront, Route 53, and WAF with AWS Shield, you are building a 'Defense in Depth' strategy. What is the primary role of WAF in this stack?

✓ Correct Answer & ExplanationAWS Shield

Correct Answer

To filter malicious web requests (Layer 7) based on rules like IP sets or SQL injection patterns

Why This Answer Is Correct

WAF (Web Application Firewall) specializes in application-layer protection, while Shield handles infrastructure-level attacks.

📚 What This Question Tests

This question evaluates your knowledge of AWS Shield — a core concept tested in AWS Certified Solutions Architect – Associate (SAA-C03). Understanding AWS Shield is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.