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An ecommerce company experiences a surge in mobile application traffic every Monday at 8 AM...

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An ecommerce company experiences a surge in mobile application traffic every Monday at 8 AM during the company's weekly sales events. The application's backend uses an Amazon API Gateway HTTP API and AWS Lambda functions to process user requests. During peak sales periods, users report encountering TooManyRequestsException errors from the Lambda functions. The errors result in a degraded user experience. A solutions architect needs to design a scalable and resilient solution that minimizes the errors and ensures that the application's overall functionality remains unaffected.

A.

Create an Amazon Simple Queue Service (Amazon SQS) queue. Send user requests to the SQS queue. Configure the Lambda function with provisioned concurrency. Set the SQS queue as the event source trigger.

B.

Use AWS Step Functions to orchestrate and process user requests. Configure Step Functions to invoke the Lambda functions and to manage the request flow.

C.

Create an Amazon Simple Notification Service (Amazon SNS) topic. Send user requests to the SNS topic. Configure the Lambda functions with provisioned concurrency. Subscribe the functions to the SNS topic.

D.

Create an Amazon Simple Queue Service (Amazon SQS) queue. Send user requests to the SQS queue. Configure the Lambda functions with reserved concurrency. Set the SQS queue as the event source trigger for the functions.

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