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Amazon Exam SAA-C03 Topic 1 Question 18 Discussion

Actual exam question for Amazon's SAA-C03 exam
Question #: 18
Topic #: 1
[All SAA-C03 Questions]

A company has an application that processes customer orders. The company hosts the application on an Amazon EC2 instance that saves the orders to an Amazon Aurora database. Occasionally when traffic is high: the workload does not process orders fast enough.

What should a solutions architect do to write the orders reliably to the database as quickly as possible?

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Suggested Answer: B

Amazon SQS is a fully managed message queuing service that can decouple and scale microservices, distributed systems, and serverless applications. By writing orders to an SQS queue, the application can handle spikes in traffic without losing any orders. The EC2 instances in an Auto Scaling group can read from the SQS queue and process orders into the database at a steady pace. The Application Load Balancer can distribute the load across the EC2 instances and provide health checks. This solution meets all the requirements of the question, while the other options do not. Reference:


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