Amazon Exam DOP-C02 Topic 3 Question 42 Discussion

Actual exam question for Amazon's DOP-C02 exam

Question #: 42
Topic #: 3

A company wants to migrate its content sharing web application hosted on Amazon EC2 to a serverless architecture. The company currently deploys changes to its application by creating a new Auto Scaling group of EC2 instances and a new Elastic Load Balancer, and then shifting the traffic away using an Amazon Route 53 weighted routing policy.

For its new serverless application, the company is planning to use Amazon API Gateway and AWS Lambd

a. The company will need to update its deployment processes to work with the new application. It will also need to retain the ability to test new features on a small number of users before rolling the features out to the entire user base.

Which deployment strategy will meet these requirements?

AUse AWS CDK to deploy API Gateway and Lambda functions. When code needs to be changed, update the AWS CloudFormation stack and deploy the new version of the APIs and Lambda functions. Use a Route 53 failover routing policy for the canary release strategy.

BUse AWS CloudFormation to deploy API Gateway and Lambda functions using Lambda function versions. When code needs to be changed, update the CloudFormation stack with the new Lambda code and update the API versions using a canary release strategy. Promote the new version when testing is complete.

CUse AWS Elastic Beanstalk to deploy API Gateway and Lambda functions. When code needs to be changed, deploy a new version of the API and Lambda functions. Shift traffic gradually using an Elastic Beanstalk blue/green deployment.

DUse AWS OpsWorks to deploy API Gateway in the service layer and Lambda functions in a custom layer. When code needs to be changed, use OpsWorks to perform a blue/green deployment and shift traffic gradually.

Show Suggested Answer

Suggested Answer: B

This corresponds to Option B: Add the AWS::CodeDeployBlueGreen transform and the AWS::CodeDeploy::BlueGreen hook parameter with the CodeDeployDefault.ECSLinear10PercentEvery1Minutes deployment configuration.

by Eugene at Jan 13, 2025, 10:13 PM

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Malinda

21 days ago

Wait, so we're migrating a web app to serverless? I hope they're not trying to 'lift and shift' the whole thing. That's going to be a wild ride!

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Alica

22 days ago

OpsWorks, huh? I haven't used that in a while. Separating the API Gateway and Lambda functions into different layers could get messy.

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Makeda

23 days ago

Elastic Beanstalk's blue/green deployment sounds like a nice way to shift traffic gradually. That could work well for the serverless app.

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Brigette

2 days ago

A: I agree, Elastic Beanstalk's blue/green deployment is a good option for gradual traffic shifting.

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1 months ago

The AWS CDK option sounds interesting, but using a Route 53 failover policy might be overkill for a canary release strategy.

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2 months ago

I think option A is the best choice because it allows for canary releases and updating the CloudFormation stack easily.

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