Are Network ACLs 'Stateful' or 'Stateless'?

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

Correct Answer: Stateless (you must explicitly allow both inbound and outbound traffic)

Unlike security groups, NACLs do not remember connection states, so you must define rules for both directions....

๐Ÿ“‹Part of AWS Certified Cloud Practitioner (CLF-C02) ยท AWS Certification Practice
Real Exam ScenarioNetwork ACLs

Are Network ACLs 'Stateful' or 'Stateless'?

โœ“ Correct Answer & ExplanationNetwork ACLs

Correct Answer

Stateless (you must explicitly allow both inbound and outbound traffic)

Why This Answer Is Correct

Unlike security groups, NACLs do not remember connection states, so you must define rules for both directions.

๐Ÿ“š What This Question Tests

This question evaluates your knowledge of Network ACLs โ€” a core concept tested in AWS Certified Cloud Practitioner (CLF-C02). Understanding Network ACLs 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.