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A company has an application that is based on Amazon EC2.

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A company has an application that is based on Amazon EC2. The company provides API access to the application through Amazon API Gateway and uses Amazon DynamoDB to store the application ' s data. A developer is investigating performance issues that are affecting the application. During peak usage, the application is overwhelmed by a large number of identical data read requests that come through APIs. What is the MOST operationally efficient way for the developer to improve the application ' s performance?

A.

Use DynamoDB Accelerator (DAX) to cache database responses.

B.

Configure Amazon EC2 Auto Scaling policies to meet fluctuating demand.

C.

Enable API Gateway caching to cache API responses.

D.

Use Amazon ElastiCache to cache application responses.

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