B. Network ACLs are associated with a subnet in a VPC and are used to control inbound and outbound traffic. Amazon Inspector is a security assessment service that helps improve the security and compliance of applications deployed on AWS. AWS Shield is a managed DDoS protection service for web applications. VPC Flow Logs capture information about the IP traffic going to and from network interfaces in a VPC.
A subnet in a VPC (Virtual Private Cloud) is an isolated segment of an AWS network where a user can launch AWS resources in a defined virtual network. Network Access Control Lists (NACLs) are associated with subnets in a VPC and provide a firewall-like protection layer to control inbound and outbound traffic from and to the subnet. NACLs operate at the subnet level, allowing or denying traffic to and from the subnets in a VPC based on rules that can be configured to specify the allowed source and destination IP addresses, protocols, and ports. VPC security groups, on the other hand, are associated with AWS resources such as EC2 instances, and they control the traffic that is allowed to reach a particular resource, rather than to an entire subnet.
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