A business application runs on Amazon EC2 and uses Amazon S3 for encrypted object storage. The chief information security officer requires that no application traffic between the two services traverse the public internet. Which capability should the solutions architect use to meet this requirement?

A VPC endpoint allows private connectivity from your VPC to supported AWS services and VPC endpoint services powered by AWS PrivateLink, without requiring traffic to traverse the public internet. This directly addresses the requirement for no application traffic between EC2 and S3 to go over the public internet. AWS Key Management Service (AWS KMS) is used for managing encryption keys, not for controlling network traffic paths. A private subnet is a network configuration that prevents direct internet access for resources within it, but it doesn't inherently prevent traffic to