AWS Certified SysOps Administrator – Associate — Question 251

A company has an application that runs behind an Application Load Balancer (ALB) in the us-west-2 Region. An Amazon Route 53 record set contains an alias record for app.anycompany.com that references the ALB in us-west-2 and uses a simple routing policy. The application is experiencing an increase in users from other locations in the world. These users are experiencing high latency.

Most of the new users are close to the ap-southeast-2 Region. The company deploys a copy of the application to ap-southeast-2. A SysOps administrator must implement a solution that automatically routes requests to the lowest latency endpoint for users without changing the URL.

Which solution will meet these requirements?

Answer options

• A. Add a new value to the existing alias record for app.anycompany.com with the DNS name of the new ALB in ap-southeast-2.
• B. Change the existing alias record to use a geolocation routing policy. Create two geolocation records, one record that references each ALSelect the location that is closest to each Region.
• C. Change the existing alias record to use a latency routing policy. Create two latency records, one record that references each ALB.
• D. Change the existing alias record to use a multivalue routing policy Add the DNS name of each ALB to the record.

Correct answer: C

Explanation

The correct answer is C because a latency routing policy will automatically direct users to the ALB with the lowest latency, ensuring optimal performance. Options A and D do not provide the necessary latency-based routing, while option B focuses on geolocation rather than latency, which might not be as effective in this scenario.