Question: If a set of servers are located within a private subnet of your VPC, how can you connect those servers to on-premise servers?

1. Establish a connection with AWS Direct Connect.
2. Use the AWS Client VPN.
3. Install a OpenVPN server on an instance that is located within the subnet with an elastic IP.
4. All of these options can establish a connection to a private subnet.

Answer: The correct answer of the above question is Option D:All of these options can establish a connection to a private subnet.