You are currently using Route53 for DNS routing. Your application is hosted on EC2 Instances across multiple AWS Regions in an effort to improve performance for your users by serving their requests to provide them with the best and the fastest performance. Which of the below will help to ensure a better user experience?

Answer options:

A.Configure Geolocation routing policies in Route53
B.Configure latency based routing policies in Route53
C.Configure weighted based routing policies in Route53
D.Configure failover based routing policies in Route53

Answer – B
This is mentioned in the AWS documentation
If your application is hosted in multiple Amazon EC2 regions, you can improve performance for your users by serving their requests from the Amazon EC2 region that provides the lowest latency.
For more information on Route53 routing policies, please refer to the below URL:
http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/routing-policy.html