LATEST TRAINING GUIDE FOR AMAZON AWS-DEVOPS-ENGINEER-PROFESSIONAL

Latest training guide for Amazon AWS-DevOps-Engineer-Professional

Latest training guide for Amazon AWS-DevOps-Engineer-Professional

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q188-Q193):

NEW QUESTION # 188
A DevOps Engineer is deploying a new web application. The company chooses AWS Elastic Beanstalk for deploying and managing the web application, and Amazon RDS MySQL to handle persistent data. The company requires that new deployments have minimal impact if they fail. The application resources must be at full capacity during deployment, and rolling back a deployment must also be possible.
Which deployment sequence will meet these requirements?

  • A. Deploy the application using Elastic Beanstalk, and connect to an external RDS MySQL instance using Elastic Beanstalk environment properties. Use Elastic Beanstalk immutable updates for application deployments.
  • B. Deploy the application using Elastic Beanstalk and connect to an external RDS MySQL instance using Elastic Beanstalk environment properties. Use Elastic Beanstalk features for a blue/green deployment to deploy the new release to a separate environment, and then swap the CNAME in the two environments to redirect traffic to the new version.
  • C. Deploy the application using Elastic Beanstalk, and include RDS MySQL as part of the environment.
    Use default Elastic Beanstalk behavior to deploy changes to the application, and let rolling updates deploy changes to the application.
  • D. Deploy the application using Elastic Beanstalk, and include RDS MySQL as part of the environment.
    Use Elastic Beanstalk immutable updates for application deployments.

Answer: B


NEW QUESTION # 189
Your company has an application hosted on an Elastic beanstalk environment. You have been instructed that
whenever application changes occur and new versions need to be deployed that the fastest deployment
approach is employed. Which of the following deployment mechanisms will fulfil this requirement?

  • A. Allatonce
  • B. Immutable
  • C. Rollingwith batch
  • D. Rolling

Answer: A

Explanation:
Explanation
The following table from the AWS documentation shows the deployment time for each deployment methods.

For more information on Elastic beanstalk deployments, please refer to the below link:
* http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/using-features.deploy-existing-
version, htm I


NEW QUESTION # 190
A DevOps Engineer uses Docker container technology to build an image-analysis application. The application often sees spikes in traffic. The Engineer must automatically scale the application in response to customer demand while maintaining cost effectiveness and minimizing any impact on availability.
What will allow the FASTEST response to spikes in traffic while fulfilling the other requirements?

  • A. Create an Amazon ECS cluster with the container instances in an Auto Scaling group. Configure the ECS service to use Service Auto Scaling. Set up Amazon CloudWatch alarms to scale the ECS service and cluster.
  • B. Deploy containers on Amazon EC2 instances. Deploy a container scheduler to schedule containers onto EC2 instances. Configure EC2 Auto Scaling for EC2 instances based on available Amazon CloudWatch metrics.
  • C. Deploy containers on an AWS Elastic Beanstalk Multicontainer Docker environment. Configure Elastic Beanstalk to automatically scale the environment based on Amazon CloudWatch metrics.
  • D. Create an Amazon ECS cluster using Spot instances. Configure the ECS service to use Service Auto Scaling. Set up Amazon CloudWatch alarms to scale the ECS service and cluster.

Answer: B


NEW QUESTION # 191
A company wants to use AWS CloudFormation for infrastructure deployment. The company has strict tagging and resource requirements and wants to limit the deployment to two Regions. Developers will need to deploy multiple versions of the same application.
Which solution ensures resources are deployed in accordance with company policy?

  • A. Create AWS Service Catalog products with approved CloudFormation templates.
  • B. Create AWS Trusted Advisor checks to find and remediate unapproved CloudFormation StackSets.
  • C. Create a CloudFormation drift detection operation to find and remediate unapproved CloudFormation StackSets.
  • D. Create CloudFormation StackSets with approved CloudFormation templates.

Answer: D

Explanation:
Explanation/Reference: https://aws.amazon.com/blogs/aws/use-cloudformation-stacksets-to-provision-resources-across- multiple-aws-accounts-and-regions/


NEW QUESTION # 192
A company is using AWS CodeDeploy to automate software deployment. The deployment must meet these requirements: *A number of instances must be available to serve traffic during the deployment. Traffic must be balanced across those instances, and the instances must automatically heal in the event of failure. *A new fleet of instances must be launched for deploying a new revision automatically, with no manual provisioning. *Traffic must be rerouted to the new environment to half of the new instances at a time. The deployment should succeed if traffic is rerouted to at least half of the instances; otherwise, it should fail. *Before routing traffic to the new fleet of instances, the temporary files generated during the deployment process must be deleted. *At the end of a successful deployment, the original instances in the deployment group must be deleted immediately to reduce costs. How can a DevOps Engineer meet these requirements?

  • A. Use an Application Load Balancer and a blue/green deployment. Associate the Auto Scaling group and the Application Load Balancer target group with the deployment group. Use the Automatically copy Auto Scaling group option, and use CodeDeployDefault HalfAtAtime as the deployment configuration. Instruct AWS CodeDeploy to terminate the original isntances in the deployment group, and use the BeforeAllowTraffic hook within appspec.yml to delete the temporary files.
  • B. Use an Application Load Balancer and a blue/green deployment. Associate the Auto Scaling group and the Application Load Balancer target group with the deployment group. Use the Automatically copy Auto Scaling group option, create a custom deployment configuration with minimum healthy hosts defined as 50%, and assign the configuration to the deployment group. Instruct AWS CodeDeploy to terminate the original instances in the deployment group, and use the BeforeBlock Traffic hook within appsec.yml to delete the temporary files.
  • C. Use an Application Load Balancer and an in-place deployment. Associate the Auto Scaling group and Application Load Balancer target group with the deployment group. Use the Automatically copy Auto Scaling group option, and use CodeDeployDefault AllatOnce as a deployment configuration. Instruct AWS CodeDeploy to terminate the original instances in the deployment group, and use the BlockTraffic hook within appsec.yml to delete the temporary files.
  • D. Use an Application Load Balancer and an in-place deployment. Associate the Auto Scaling group with the deployment group. Use the Automatically copy option, and use CodeDeployDefault.OneAtAtime as the deployment configuration. Instruct AWS CodeDeploy to terminate the original Auto Scaling group instances in the deployment group, and use the AllowTraffic hook within appspec.yml to delete the temporary files.

Answer: A

Explanation:
https://docs.aws.amazon.com/codedeploy/latest/userguide/deployment-configurations.html
https://docs.aws.amazon.com/codedeploy/latest/APIReference/API_BlueGreenDeploymentConfiguration.html


NEW QUESTION # 193
......

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