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A company uses AWS CloudFormation to deploy an application that includes an Amazon API Gateway...

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A company uses AWS CloudFormation to deploy an application that includes an Amazon API Gateway REST API integrated with AWS Lambda and Amazon DynamoDB. The application has three stages: development, testing, and production, each with its own DynamoDB table.

The company wants to deploy a new production release and route 20% of traffic to the new version while keeping 80% of traffic on the existing production version. The solution must minimize the number of errors that any single customer experiences.

Which approach should the developer take?

A.

Deploy incremental portions of the changes to production in multiple steps.

B.

Use Amazon Route 53 weighted routing between the production and testing stages.

C.

Deploy an Application Load Balancer in front of the API Gateway stages and weight traffic.

D.

Configure canary deployment settings for the production API stage and route 20% of traffic to the canary.

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