DOP-C01 (Page 13)

A DevOps engineer is troubleshooting deployments to a new application that runs on Amazon EC2 instances behind an Application Load Balancer.The instances run in an EC2 Auto Scaling group across multiple Availability Zones.Instances sometimes come online before they are ready, which is leading to increased error rates among users.The current health check configuration gives instances a 60-second grace period and considers instances healthy after two 200 response codes from /index.php, a page that may respond intermittently during the deployment process.The development team wants instances to come online as soon as possible.Which strategy would address this issue?Read More →

A company’s legacy application uses IAM user credentials to access resources in the company’s AWS Organizations organization.A DevOps engineer must ensure that new IAM users cannot be created unless the employee who creates the IAM user is on an exception list.Which solution will meet these requirements?Read More →

A DevOps Engineer has several legacy applications that all generate different log formats.The Engineer must standardize the formats before writing them toAmazon S3 for querying and analysis.How can this requirement be met at the LOWEST cost?Read More →

An ecommerce company has chosen AWS to host its new platform.The company’s DevOps team has started building an AWS Control Tower landing zone.The DevOps team has set the identity store within AWS Single Sign-On (AWS SSO) to external identity provider (IdP) and has configured SAML 2 0.The DevOps team wants a robust permission model that applies the principle of least privilege.The model must allow the team to build and manage only the team’s own resources.Which combination of steps will meet these requirements? (Choose three.)Read More →

A company has developed a Node.js web application which provides REST services to store and retrieve time series data.The web application is built by the development team on company laptops, tested locally, and manually deployed to a single on-premises server, which accesses a local MySQL database.The company is starting a trial in two weeks, during which the application will undergo frequent updates based on customer feedback.The following requirements must be met:• The team must be able to reliably build, test, and deploy new updates on a daily basis, without downtime or degraded performance.• The application must be able to scale to meet an unpredictable number of concurrent users during the trial.Which action will allow the team to quickly meet these objectives?Read More →

A company hosts an application in North America.The application uses an Amazon Aurora PostgreSQL DB cluster.A team of analysts in Europe generates real- time reports by using the DB cluster.The analysts must have access to the most up-to-date data.A DevOps engineer discovers that the generation of reports is much slower for users in Europe than for users in North America.What should the DevOps engineer do to resolve this issue?Read More →

A DevOps engineer is setting up a container-based architecture.The engineer has decided to use AWS CloudFormation to automatically provision an Amazon ECS cluster and an Amazon EC2 Auto Scaling group to launch the EC2 container instances.After successfully creating the CloudFormation stack, the engineer noticed that, even though the ECS cluster and the EC2 instances were created successfully and the stack finished the creation, the EC2 instances were associating with a different cluster.How should the DevOps engineer update the CloudFormation template to resolve this issue?Read More →

A space exploration company receives telemetry data from multiple satellites.Small packets of data are received through Amazon API Gateway and are placed directly into an Amazon Simple Queue Service (Amazon SOS) standard queue.A custom application is subscribed to the queue and transforms the data into a standard format.Because of inconsistencies in the data that the satellites produce, the application is occasionally unable to transform the data.In these cases, the messages remain in the SQS queue.A DevOps engineer must develop a solution that retains the failed messages and makes them available to scientists for review and future processing.Which solution will meet these requirements?Read More →

A company wants to use AWS Systems Manager documents to bootstrap physical laptops for developers.The bootstrap code is stored in GitHub.A DevOps engineer has already created a Systems Manager activation, installed the Systems Manager agent with the registration code, and installed an activation ID on all the laptops.Which set of steps should be taken next?Read More →

A development team wants to use AWS CloudFormation stacks to deploy an application.However, the developer IAM role does not have the required permissions to provision the resources that are specified in the AWS CloudFormation template.A DevOps engineer needs to implement a solution that allows the developers to deploy the stacks.The solution must follow the principle of least privilege.Which solution will meet these requirements?Read More →