You have 2 VPN connections established between AWS and your on-premise location. You need to ensure that one VPN is preferred over the other.
Which of the following configurations can allow you to do this?

Answer options:

A.Use more specific routes
B.Use less specific routes
C.Use AS-path prepending
D.Use BGP priority

Answer -A
The AWS Documentation mentions the following
AWS will use the more specific routes to send traffic to the appropriate data center, and will fail back to the other data center following the summarized route if the more specific route becomes temporarily unavailable.
For more information on high availability for network connections please see the below link:
https://aws.amazon.com/answers/networking/aws-multiple-data-center-ha-network-connectivity/