Which of the following can be used for outbound communication over IPv6 from instances in your VPC to the Internet

Answer options:

A.Egress only Internet gateway
B.Customer gateway
C.Virtual Private Gateway
D.Virtual Private connection

Answer – A
The AWS documentation mentions the following
An egress-only Internet gateway is a horizontally scaled, redundant, and highly available VPC component that allows outbound communication over IPv6 from instances in your VPC to the Internet, and prevents the Internet from initiating an IPv6 connection with your instances.
For more information on Egress only Internet gateways , please refer to the below link:
http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/egress-only-internet-gateway.html