AWS Cloud
primer-original-v2mediumAWSVPCSecurity GroupNACLNetworkingprimer-original-v2

What is the key difference between a Security Group and a Network ACL in AWS VPC?

Answer options

A
Security Groups are stateless; NACLs are stateful
B
Security Groups are stateful; NACLs are stateless
C
Both are stateless
D
Both operate at the subnet level

Correct answer: Security Groups are stateful; NACLs are stateless

Detailed Solution & Conceptual Analysis

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Key Engineering Takeaway

In AWS Cloud, understanding the underlying mechanics of AWS is critical for writing performant, bug-free production code and passing rigorous technical architecture reviews.

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