AWS Certified SysOps Administrator – Associate (legacy) — Question 254

A user has created a photo editing software and hosted it on EC2. The software accepts requests from the user about the photo format and resolution and sends a message to S3 to enhance the picture accordingly. Which of the below mentioned AWS services will help make a scalable software with the AWS infrastructure in this scenario?

Answer options

• A. AWS Glacier
• B. AWS Elastic Transcoder
• C. AWS Simple Notification Service
• D. AWS Simple Queue Service

Correct answer: D

Explanation

The correct answer is D, AWS Simple Queue Service, because it allows for message queuing, which can help manage and scale requests efficiently. The other options, while useful for different purposes, do not specifically provide the queuing and scaling capabilities needed for handling varying workloads from user requests.