AWS Certified Solutions Architect - Professional SAP-C02 — Topic 1 Question 271

Question

A company wants to refactor its retail ordering web application that currently has a load-balanced Amazon EC2 instance fleet for web hosting, database API services, and business logic. The company needs to create a decoupled, scalable architecture with a mechanism for retaining failed orders while also minimizing operational costs. Which solution will meet these requirements?

Accepted Answer

Correct answer: C. The correct answer is C. Option C: Use Amazon S3 for web hosting with AWS AppSync for database API services. Use Amazon Simple Queue Service (Amazon SQS) for order queuing. Use AWS Lambda for business logic with an Amazon SQS dead-letter queue for reta... AWS Lambda runs code without provisioning servers and scales automatically, which minimizes operational overhead. Amazon S3 provides durable, scalable object storage that is fully managed. Amazon SQS is a fully managed message queue that decouples components and absorbs traffic spikes. This option decouples the components so they scale independently and absorb load spikes.

AWS Certified Solutions Architect - Professional SAP-C02 — Question 271