Correct Answer: Deny Rules
NACLs support both 'Allow' and 'Deny' rules, while security groups only support 'Allow' rules....
Correct Answer
Deny Rules
Why This Answer Is Correct
NACLs support both 'Allow' and 'Deny' rules, while security groups only support 'Allow' rules.
This question evaluates your knowledge of Network ACLs — 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.
You need to explicitly deny traffic from a specific IP address to your Amazon EC2 instances. Can Security Groups natively handle explicit deny rules?
You need stateless firewall rules at the subnet level in your Amazon VPC. What should you configure?
What is a Network Access Control List (Network ACL)?
Are Network ACLs 'Stateful' or 'Stateless'?
What is the primary difference between a Security Group and a Network ACL?