A. To connect to a VPC in a remote region, you can use a virtual private network (VPN) connection over your public virtual interface.
B. To access public resources in a remote region, you must set up a public virtual interface and establish a border gateway protocol (BGP) session.
C. If you have a public virtual interface and established a BGP session to it, your router learns the routes of the other AWS regions in the US.
D. Any data transfer out of a remote region is billed at the location of your AWS Direct Connect data transfer rate.