Correct Answer: Yes, but a subnet can only be associated with one NACL at a time
NACLs provide subnet-level security and can be reused, but each subnet has a single controlling NACL....
Correct Answer
Yes, but a subnet can only be associated with one NACL at a time
Why This Answer Is Correct
NACLs provide subnet-level security and can be reused, but each subnet has a single controlling NACL.
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?
You need stateless firewall rules at the subnet level in your Amazon VPC. What should you configure?
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?
Which security layer acts as a 'second line of defense' at the subnet level in an AWS VPC?