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You have a Java-based application running on EC2 instances loaded with AWS CodeDeploy agents. You are considering different options for deployment, one is the flexibility that allows for incremental deployment of your new application versions and replaces existing versions in the EC2 instances. The other option is a strategy in which an Auto Scaling group is used to perform a deployment.

Which of the following options will allow you to deploy in this manner? (Select two)

• In-place Deployment

• Blue/green Deployment

• Cattle Deployment

• Warm Standby Deployment

• Pilot Light Deployment

A development team wants to build an application using serverless architecture. The team plans to use AWS Lambda functions extensively to achieve this goal. The developers of the team work on different programming languages like Python, .NET and Javascript. The team wants to model the cloud infrastructure using any of these programming languages.

Which AWS service/tool should the team use for the given use-case?

• AWS Serverless Application Model (SAM)

• AWS CodeDeploy

• AWS CloudFormation

• AWS Cloud Development Kit (CDK)

A company follows collaborative development practices. The engineering manager wants to isolate the development effort by setting up simulations of API components owned by various development teams.

Which API integration type is best suited for this requirement?

• MOCK

• HTTP

• AWS_PROXY

• HTTP_PROXY

After a test deployment in ElasticBeanstalk environment, a developer noticed that all accumulated Amazon EC2 burst balances were lost.

Which of the following options can lead to this behavior?

• The deployment was run as a All-at-once deployment, flushing all the accumulated EC2 burst balances

• When a canary deployment fails, it resets the EC2 burst balances to zero

• The deployment was run as a Rolling deployment, resulting in the resetting of EC2 burst balances

• The deployment was either run with immutable updates or in traffic splitting mode

As a developer, you are working on creating an application using AWS Cloud Development Kit (CDK).

Which of the following represents the correct order of steps to be followed for creating an app using AWS CDK?

• Create the app from a template provided by AWS CDK -> Add code to the app to create resources within stacks -> Build the app (optional) -> Synthesize one or more stacks in the app -> Deploy stack(s) to your AWS account

• Create the app from a template provided by AWS CloudFormation -> Add code to the app to create resources within stacks -> Synthesize one or more stacks in the app -> Deploy stack(s) to your AWS account -> Build the app

• Create the app from a template provided by AWS CDK -> Add code to the app to create resources within stacks -> Synthesize one or more stacks in the app -> Deploy stack(s) to your AWS account -> Build the app

• Create the app from a template provided by AWS CloudFormation -> Add code to the app to create resources within stacks -> Build the app (optional) -> Synthesize one or more stacks in the app -> Deploy stack(s) to your AWS account

A development team has deployed a REST API in Amazon API Gateway to two different stages - a test stage and a prod stage. The test stage is used as a test build and the prod stage as a stable build. After the updates have passed the test, the team wishes to promote the test stage to the prod stage.

Which of the following represents the optimal solution for this use-case?

• Delete the existing prod stage. Create a new stage with the same name (prod) and deploy the tested version on this stage

• API performance is optimized in a different way for prod environments. Hence, promoting test to prod is not correct. The promotion should be done by redeploying the API to the prod stage

• Deploy the API without choosing a stage. This way, the working deployment will be updated in all stages

• Update stage variable value from the stage name of test to that of prod

Your company has embraced cloud-native microservices architectures. New applications must be dockerized and stored in a registry service offered by AWS. The architecture should support dynamic port mapping and support multiple tasks from a single service on the same container instance. All services should run on the same EC2 instance.

Which of the following options offers the best-fit solution for the given use-case?

• Classic Load Balancer + ECS

• Classic Load Balancer + Beanstalk

• Application Load Balancer + Beanstalk

• Application Load Balancer + ECS

When running a Rolling deployment in Elastic Beanstalk environment, only two batches completed the deployment successfully, while rest of the batches failed to deploy the updated version. Following this, the development team terminated the instances from the failed deployment.

What will be the status of these failed instances post termination?

• Elastic Beanstalk will not replace the failed instances

• Elastic Beanstalk will replace the failed instances with instances running the application version from the most recent successful deployment

• Elastic Beanstalk will replace the failed instances with instances running the application version from the oldest successful deployment

• Elastic Beanstalk will replace the failed instances after the application version to be installed is manually chosen from AWS Console

A Developer at a company is working on a CloudFormation template to set up resources. Resources will be defined using code and provisioned based on certain conditions defined in the "Conditions" section.

Which section of a CloudFormation template cannot be associated with "Condition"?

• Parameters

• Resources

• Outputs

• Conditions

AWS CloudFormation helps model and provision all the cloud infrastructure resources needed for your business.

Which of the following services rely on CloudFormation to provision resources (Select two)?

• AWS Serverless Application Model (AWS SAM)

  
  

• AWS Autoscaling

• AWS Lambda

• AWS CodeBuild

• AWS Elastic Beanstalk