Regarding Amazon Route 53, if your application is running on Amazon EC2 instances in two or more Amazon EC2 regions and if you have more than one Amazon EC2 instance in one or more regions, you can use _______ to route traffic to the correct region and then use ________to route traffic to instances within the region, based on probabilities that you specify.

Regarding Amazon Route 53, if your application is running on Amazon EC2 instances in two or more Amazon EC2 regions and if you have more than one Amazon EC2 instance in one or more regions, you can use _______ to route traffic to the correct region and then use ________to route traffic to instances within the region, based on probabilities that you specify.
A .  weighted-based routing; alias resource record sets
B .  latency-based routing; weighted resource record sets
C .  weighted-based routing; weighted resource record sets
D .  latency-based routing; alias resource record sets

View Answer

Answer: B

Explanation:

Regarding Amazon Route 53, if your application is running on Amazon EC2 instances in two or more Amazon EC2 regions, and if you have more than one Amazon EC2 instance in one or more regions, you can use latency-based routing to route traffic to the correct region and then use weighted resource record sets to route traffic to instances within the region based on weights that you specify.

Reference: http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/Tutorials.html