Explanation:
Option A is the correct answer. This solution allows the company to direct requests to a separate target group that hosts the new beta version of the application without having to create a new ALB or use additional services such as Amazon Route 53 or Amazon CloudFront. This minimizes complexity and effort by simply updating the ALB routing rule with a condition that looks for a cookie named 'version' with the value 'beta' and updating the test system code to use this cookie. Hence, it meets the requirement with the least effort.
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An AWS-hosted image storage web application uses EC2 instances within an Auto Scaling group, with an Application Load Balancer directing traffic and S3 for image storage. The company seeks a minimal-effort solution to test system requests by directing them to a separate target group for a beta application version. What is the least effort solution?
A
Establish a new Auto Scaling group and target group for the beta application, then modify the ALB routing rule to recognize a 'version' cookie set to 'beta'.
B
Create a separate ALB, Auto Scaling group, and target group for the beta application, and set up an alternate Route 53 record pointing to the new ALB for test requests.
C
Introduce a new ALB, Auto Scaling group, and target group for the beta application, employing CloudFront with Lambda@Edge to route specific test requests to the new ALB.
D
Form a new Auto Scaling group and target group for the beta application, adjust the ALB routing rule for 'version' cookie 'beta' recognition, and employ CloudFront with Lambda@Edge to inject the necessary cookie in test requests.