DVA-C02 · Question #143
DVA-C02 Question #143: Real Exam Question with Answer & Explanation
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Question
A company has a front-end application that runs on four Amazon EC2 instances behind an Elastic Load Balancer (ELB) in a production environment that is provisioned by AWS Elastic Beanstalk. A developer needs to deploy and test new application code while updating the Elastic Beanstalk platform from the current version to a newer version of Node.js. The solution must result in zero downtime for the application. Which solution meets these requirements?
Options
- AClone the production environment to a different platform version. Deploy the new application
- BDeploy the new application code in an all-at-once deployment to the existing EC2 instances. Test
- CPerform an immutable update to deploy the new application code to new EC2 instances. Serve
- DUse a rolling deployment for the new application code. Apply the code to a subset of EC2
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