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Which solution meets these requirements’?

A company runs en application on a large fleet of Amazon EC2 instances. The application reads and write entries into an Amazon DynamoDB table. The size of the OynamoDB table continuously grows but the application needs only data from the last 30 days. The company needs a solution that minimizes cost and development effort

Which solution meets these requirements’?
A . Use an AWS CloudFormation template to deploy the complete solution Redeploy the Cloud Formation stack every 30 days, and delete the original stack
B . Use an EC2 instance that runs a monitoring application from AWS Marketplace Configure the monitoring application to use Amazon DynamoOB Streams to store the timestamp when a new item is created in the table Use a script that runs on the EC2 instance to delete items that have a timestamp that is older than 30 days
C . Configure Amazon DynamoDB Streams to invoke an AWS Lambda function when a new item is created in the table Configure the Lambda function to delete items m the table that are older than 30 days
D . Extend the application to add an attribute that has a value of the current timestamp plus 30 days to each new item that is created in the table Configure DynamoDB to use the attribute as the TTL attribute

Answer: D

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