Question #843

试题更新时间: 2023-11-07 12:59:45

You need to create an audit log of all changes to customer banking data. You use DynamoDB to store this customer banking data. It's important not to lose any information due to server failures. What is an elegant way to accomplish this?

A. Use a DynamoDB Stream Specification and stream all changes to AWS Lambda. Log the changes to AWS CloudWatch Logs, removing sensitive information before logging.

B. Before writing to DynamoDB, do a pre-write acknowledgment to disk on the application server, removing sensitive information before logging. Periodically rotate these log files into S3.

C. Use a DynamoDB Stream Specification and periodically flush to an EC2 instance store, removing sensitive information before putting the objects. Periodically flush these batches to S3.

D. Before writing to DynamoDB, do a pre-write acknowledgment to disk on the application server, removing sensitive information before logging. Periodically pipe these files into CloudWatch Logs.

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