A Company Needs a Secure Connection Between Its On-Premises Environment

Multiple Choice

A company needs a secure connection between its on-premises environment and AWS. This connection does not need high bandwidth and will handle a small amount of traffic. The connection should be set up quickly. What is the MOST cost-effective method to establish this type of connection?

A) Implement a client VPN.
B) Implement AWS Direct Connect.
C) Implement a bastion host on Amazon EC2.
D) Implement an AWS Site-to-Site VPN connection.