AWS Certified DevOps Engineer - Professional
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A DevOps team is working on an application that relies on an Amazon RDS Multi-AZ DB cluster for its production environment. The team employs continuous integration practices to regularly ensure the application's functionality. They require a method to validate code changes in a controlled manner before integrating them into the live production database. Which strategy should they adopt to fulfill this testing requirement?
A
Use a buildspec file in AWS CodeBuild to restore the DB cluster from a snapshot of the production database, run integration tests, and drop the restored database after verification.
B
Deploy the application to production. Configure an audit log of data control language (DCL) operations to capture database activities to perform if verification fails.
C
Create a snapshot of the DB cluster before deploying the application. Use the Update requires:Replacement property on the DB instance in AWS CloudFormation to deploy the application and apply the changes.
D
Ensure that the DB cluster is a Multi-AZ deployment. Deploy the application with the updates. Fail over to the standby instance if verification fails.