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Earning the Amazon DOP-C01 Certification demonstrates a candidate's expertise in designing and implementing DevOps practices on AWS, and it can open up new career opportunities in the field of DevOps engineering. To prepare for the exam, candidates can take advantage of various training resources offered by AWS, such as online courses, practice exams, and hands-on labs. Passing the exam requires a deep understanding of AWS services and DevOps practices, as well as the ability to apply that knowledge to real-world scenarios.

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Achieving the AWS DevOps Engineer certification demonstrates a high level of proficiency in DevOps practices and principles, and validates the skills and expertise needed to design and manage complex AWS applications using DevOps tools and techniques. It is a valuable certification for DevOps professionals who want to advance their careers and demonstrate their expertise in managing AWS applications using DevOps practices.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q10-Q15):

NEW QUESTION # 10
What is the main difference between calling the commands `ansible' and `ansible-playbook' on the command line?

A. `ansible-playbook' runs the playbooks by using the `ansible' command to run the individual plays
B. `ansible-playbook' is for running entire Playbooks while `ansible' is for calling ad-hoc commands.
C. `ansible' is for setting configuration and environment variables which `ansible-playbook' will use when running plays.
D. `ansible' is for running individual plays and `ansible-playbook' is for running the entire playbook.

Answer: B

Explanation:
The `ansible' command is for running Ansible ad-hoc commands remotely via SSH. `ansible- playbook' is for running Ansible Playbook projects.
Reference: http://docs.ansible.com/ansible/intro_adhoc.html

NEW QUESTION # 11
Your company has developed a web application and is hosting it in an Amazon S3 bucket configured for static website hosting. The application is using the AWS SDK for JavaScript in the browser to access data stored in an Amazon DynamoDB table.
How can you ensure that API keys for access to your data in DynamoDB are kept secure?

A. Store AWS keys in global variables within your application and configure the application to use these credentials when making requests.
B. Configure S3 bucket tags with your AWS access keys for your bucket hosing your website so that the application can query them for access.
C. Create an Amazon S3 role in IAM with access to the specific DynamoDB tables, and assign it to the bucket hosting your website.
D. Configure a web identity federation role within IAM to enable access to the correct DynamoDB resources and retrieve temporary credentials.

Answer: D

NEW QUESTION # 12
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: A

NEW QUESTION # 13
An IT team has built an AWS CloudFormation template so others in the company can quickly and reliably deploy and terminate an application. The template creates an Amazon EC2 instance with a user data script to install the application and an Amazon S3 bucket that the application uses to serve static webpages while it is running.
All resources should be removed when the CloudFormation stack is deleted. However, the team observes that CloudFormation reports an error during stack deletion, and the S3 bucket created by the stack is not deleted.
How can the team resolve the error in the MOST efficient manner to ensure that all resources are deleted without errors?

A. Add a custom resource when an AWS Lambda function with the DependsOn attribute specifying the S3 bucket, and an IAM role. Writhe the Lambda function to delete all objects from the bucket when the is Delete.
RequestType
B. Replace the EC2 and S3 bucket resources with a single AWS OpsWorks Stacks resource. Define a custom recipe for the stack to create and delete the EC2 instance and the S3 bucket.
C. Identify the resource that was not deleted. From the S3 console, empty the S3 bucket and then delete it.
D. Add DeletionPolicy attribute to the S3 bucket resource, with the value Delete forcing the bucket to be removed when the stack is deleted.

Answer: A

Explanation:
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-attribute- dependson.html

NEW QUESTION # 14
An education company has a Docker-based application running on multiple Amazon EC2 instances in an Amazon ECS cluster. When deploying a new version of the application, the Developer, pushes a new image to a private Docker container registry, and then stops and starts all tasks to ensure that they all have the latest version of the application. The Developer discovers that the new tasks are occasionally running with an old image.
How can this issue be prevented?

A. Use "latest" for the Docker image tag in the task definition.
B. After pushing the new image, restart ECS Agent, and then start the tasks.
C. Use Amazon ECR for a Docker container registry.
D. Update the digest on the task definition when pushing the new image.

Answer: D

NEW QUESTION # 15
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Ian Taylor Ian Taylor

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