Correct Answer: Network ACLs
Network ACLs operate at the subnet level and are stateless, requiring you to define both inbound and outbound rules explicitly....
Correct Answer
Network ACLs
Why This Answer Is Correct
Network ACLs operate at the subnet level and are stateless, requiring you to define both inbound and outbound rules explicitly.
This question evaluates your knowledge of Network ACLs — a core concept tested in AWS Certified Solutions Architect – Associate (SAA-C03). 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?
What is the 'Default' behavior of a Network ACL created by a user (not the VPC default NACL)?
When configuring a Network ACL to allow web traffic (port 80) to a subnet, what else must be configured for the connection to work correctly?
Can a Network ACL be associated with multiple subnets in the same VPC?
Which security layer acts as a 'second line of defense' at the subnet level in an AWS VPC?