Which of the following can be used to connect your AWS Direct Connect connection over a private virtual interface to one or more VPCs in your account that are located in the same or different regions

Answer options:

A.AWS Direct Connect connector
B.AWS Direct Connect replicator
C.AWS Direct Connect interface
D.AWS Direct Connect gateway

Answer – D
The AWS documentation mentions the following
You can use an AWS Direct Connect gateway to connect your AWS Direct Connect connection over a private virtual interface to one or more VPCs in your account that are located in the same or different regions. You associate a Direct Connect gateway with the virtual private gateway for the VPC, and then create a private virtual interface for your AWS Direct Connect connection to the Direct Connect gateway. You can attach multiple private virtual interfaces to your Direct Connect gateway.
For more information on Direct Connect gateways , one can visit the below URL:
http://docs.aws.amazon.com/directconnect/latest/UserGuide/direct-connect-gateways.html