DOP-C01 (Page 5)

A DevOps Engineer manages a web application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB).The instances run in an EC2Auto Scaling group across multiple Availability Zones.The engineer needs to implement a deployment strategy that:✑ Launches a second fleet of instances with the same capacity as the original fleet.✑ Maintains the original fleet unchanged while the second fleet is launched.✑ Transitions traffic to the second fleet when the second fleet is fully deployed.✑ Terminates the original fleet automatically 1 hour after transition.Which solution will satisfy these requirements?Read More →

A company runs several applications across multiple AWS accounts in an organization in AWS Organizations.Some of the resources are not tagged properly and the company’s finance team cannot determine which costs are associated with which applications.A DevOps engineer must remediate this issue and prevent this issue from happening in the future.Which combination of actions should the DevOps engineer take to meet these requirements? (Choose two.)Read More →

A development team is building a full-stack serverless web application.The serverless application will consist of a backend REST API and a front end that is built with a single-page application (SPA) framework.The team wants to use a Git-based workflow to develop and deploy the application.The team has created an AWS CodeCommit repository to store the application code.The team wants to use multiple development branches to test new features.In addition, the team wants to ensure that code changes on the development branches are deployed to the different development environments.Code changes to the main branches must be released automatically to production.The development deployments must be available as a subdomain of the main application website, which is hosted in an Amazon Route 53 public hosted zone.What should a DevOps engineer do to meet these requirements?Read More →

A software company wants to automate the build process for a project where the code is stored in GitHub.When the repository is updated, source code should be compiled, tested, and pushed to Amazon S3.Which combination of steps would address these requirements? (Choose three.)Read More →

A company has developed an AWS Lambda function that handles orders received through an API.The company is using AWS CodeDeploy to deploy the Lambda function as the final stage of a CI/CD pipeline.A DevOps Engineer has noticed there are intermittent failures of the ordering API for a few seconds after deployment.After some investigation, the DevOpsEngineer believes the failures are due to database changes not having fully propagated before the Lambda function begins executing.How should the DevOps Engineer overcome this?Read More →

A DevOps engineer notices that all Amazon EC2 instances running behind an Application Load Balancer in an Auto Scaling group are failing to respond to user requests.The EC2 instances are also failing target group HTTP health checks.Upon inspection, the engineer notices the application process was not running in any EC2 instances.There are a significant number of out of memory messages in the system logs.The engineer needs to improve the resilience of the application to cope with a potential application memory leak.Monitoring and notifications should be enabled to alert when there is an issue.Which combination of actions will meet these requirements? (Choose two.)Read More →

A DevOps team supports many accounts across an organization in AWS Organizations.The DevOps team has decided to use AWS Coring across the organization to implement centralized automatic remediation of Amazon S3 buckets that have public ACLs.Individual accounts must not be able to modify the remediation strategy.Which solution will meet these requirements?Read More →

A company has deployed an application on AWS Elastic Beanstalk by using an all-at-once deployment method.The deployment failed recently because of an application misconfiguration and resulted in significant downtime.To prevent such downtime in the future, a DevOps engineer needs to revise the deployment method while maintaining the application performance.The DevOps engineer must ensure that application versions are consistently configured across all instances without creating new environments.Which deployment solution will meet these requirements?Read More →

A company recently migrated its legacy application from on-premises to AWS.The application is hosted on Amazon EC2 instances behind an Application LoadBalancer, which is behind Amazon API Gateway.The company wants to ensure users experience minimal disruptions during any deployment of a new version of the application.The company also wants to ensure it can quickly roll back updates if there is an issue.Which solution will meet these requirements with MINIMAL changes to the application?Read More →

The Development team has grown substantially in recent months and so has the number of projects that use separate code repositories.The current process involves configuring AWS CodePipeline manually.There have been service limit alerts regarding the number of Amazon S3 buckets that exist.Which pipeline option will reduce S3 bucket sprawl alerts?Read More →