Your company is planning to set up an AWS Direct Connect connection to an AWS VPC. They want to achieve maximum fault tolerance and have maximum bandwidth at all times. How can this be achieved?

Answer options:

A.One Virtual Private gateway Two AWS Direct Connect Locations Two Customer gateways.
B.Two Virtual Private Gateways Two AWS Direct Connect Locations One Customer gateway.
C.Two Virtual Private gateways One AWS Direct Connect Location One Customer gateway.
D.One Virtual Private gateway One AWS Direct Connect Location One VPN connection Two Customer gateways.

Answer – A
Options B and C are incorrect because there should only be one Virtual Private gateway.
Option D is incorrect because since you need maximum bandwidth at all times, having a backup VPN is not preferred.
The below architecture diagram from the AWS Documentation mentions how this high availability can be achieved.
For more information on high network connectivity, please refer to the below URL
https://aws.amazon.com/answers/networking/aws-multiple-data-center-ha-network-connectivity/