AWS Certified Developer Associate DVA-C02 Practice Question
Your team is responsible for a critical online platform. During the next update, it is imperative to ensure that there is no interruption to the service. How would you perform this update to meet the business requirement of zero downtime?
Utilize an environment management service with blue/green deployment capability
Utilize a deployment service with an in-place deployment option
Manage serverless compute resources using alias and version control
Configure scaling and lifecycle policies for compute instances
Implementing a blue/green deployment permits the switch from a current version of the application to a new one without any downtime by routing traffic between two identical environments that are running different versions of the application. This ensures that the live version is untouched until the new one is ready, allowing quick rollbacks if required. Using alias and version management in serverless compute environments does not inherently assure zero downtime for web applications. Configuration of instance scaling is targeted towards resource optimization rather than deployment strategies. An in-place deployment updates the existing environment, which naturally involves a period of downtime.
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AWS Certified Developer Associate DVA-C02
Deployment
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