AWS Certified SysOps Administrator – Associate — Question 47

A company has an existing web application that runs on two Amazon EC2 instances behind an Application Load Balancer (ALB) across two Availability Zones. The application uses an Amazon RDS Multi-AZ DB Instance. Amazon Route 53 record sets route requests for dynamic content to the load balancer and requests for static content to an Amazon S3 bucket. Site visitors are reporting extremely long loading times.

Which actions should be taken to improve the performance of the website? (Choose two.)

Answer options

• A. Add Amazon CloudFront caching for static content.
• B. Change the load balancer listener from HTTPS to TCP.
• C. Enable Amazon Route 53 latency-based routing.
• D. Implement Amazon EC2 Auto Scaling for the web servers.
• E. Move the static content from Amazon S3 to the web servers.

Correct answer: A, D

Explanation

Adding Amazon CloudFront caching for static content (Option A) reduces loading times by delivering cached content from edge locations closer to users. Implementing Amazon EC2 Auto Scaling (Option D) ensures that the application can handle increased traffic by automatically adjusting the number of instances. The other options either do not directly address the performance issue or may complicate the architecture without providing significant benefits.