AWS Certified Solutions Architect – Professional SAP-C01 – Question646

A company hosts a legacy application that runs on an Amazon EC2 instance inside a VPC without internet access. Users access the application with a desktop program installed on their corporate laptops. Communication between the laptops and the VPC flows through AWS Direct Connect (DX). A new requirement states that all data in transit must be encrypted between users and the VPC.
Which strategy should a solutions architect use to maintain consistent network performance while meeting this new requirement?

A.
Create a client VPN endpoint and configure the laptops to use an AWS client VPN to connect to the VPC over the internet.
B. Create a new public virtual interface for the existing DX connection, and create a new VPN that connects to the VPC over the DX public virtual interface.
C. Create a new Site-to-Site VPN that connects to the VPC over the internet.
D. Create a new private virtual interface for the existing DX connection, and create a new VPN that connects to the VPC over the DX private virtual interface.

Correct Answer: D