PASS DOP-C01 GUARANTEE - DOP-C01 NEW DUMPS BOOK

Pass DOP-C01 Guarantee - DOP-C01 New Dumps Book

Pass DOP-C01 Guarantee - DOP-C01 New Dumps Book

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To be eligible for the exam, the candidate must have already obtained the AWS Certified Developer - Associate or AWS Certified SysOps Administrator - Associate certification. Additionally, the candidate should have at least two years of experience in a DevOps role and be proficient in at least one programming language.

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The AWS Certified DevOps Engineer - Professional exam is a challenging certification that requires candidates to demonstrate their understanding of various AWS services, tools, and DevOps practices. DOP-C01 Exam covers a wide range of topics, such as continuous integration and delivery, infrastructure as code, monitoring and logging, security and compliance, and deployment strategies.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q284-Q289):

NEW QUESTION # 284
You've been tasked with improving the current deployment process by making it easier to deploy and reducing the time it takes. You have been tasked with creating a continuous integration (CI) pipeline that can build AMI'S. Which of the below is the best manner to get this done. Assume that at max your development team will be deploying builds 5 times a week.

  • A. Use a dedicated EC2 instance with an EBS Volume. Download and configure the code and then crate an AMI out of that.
  • B. Upload the code and dependencies to Amazon S3, launch an instance, download the package from Amazon S3, then create the AMI with the CreateSnapshot API call
  • C. Use OpsWorks to launch an EBS-backed instance, then use a recipe to bootstrap the instance, and then have the CI system use the Createlmage API call to make an AMI from it.
  • D. Have the CI system launch a new instance, then bootstrap the code and dependencies on that instance, and create an AMI using the Createlmage API call.

Answer: D

Explanation:
Explanation
Since the number of calls is just a few times a week, there are many open source systems such as Jenkins which can be used as CI based systems.
Jenkins can be used as an extensible automation server, Jenkins can be used as a simple CI server or turned into the continuous delivery hub for any project.
For more information on the Jenkins CI tool please refer to the below link:
* https://jenkins.io/
Option A and C are partially correct, but since you just have 5 deployments per week, having separate instances which consume costs is not required. Option B is partially correct, but again having a separate system such as Opswork for such a low number of deployments is not required.


NEW QUESTION # 285
A company wants to use Amazon ECS to provide a Docker container runtime environment.
For compliance reasons, all Amazon EBS volumes used in the ECS cluster must be encrypted.
Rolling updates will be made to the cluster instances and the company wants the instances drained of all tasks before being terminated.
How can these requirements be met? (Select TWO.)

  • A. Create an Auto Scaling lifecycle hook backed by an AWS Lambda function that uses the AWS SDK to mark a terminating instance as DRAINING. Prevent the lifecycle hook from completing until the running tasks on the instance are zero.
  • B. Copy the default AWS CloudFormation template that ECS uses to deploy cluster instances. Modify the template resource EBS configuration setting to set `Encrypted: True' and include the AWS KMS alias:`aws/ebs' to encrypt the AMI.
  • C. Create an IAM role that allows the action ECS::EncryptedImage. Configure the AWS CLI and a profile to use this role. Start the cluster using the AWS CLI providing the --use-encrypted-image and --kms-key arguments to the create-cluster ECS command.
  • D. Modify the default ECS AMI user data to create a script that executes docker rm ""f {id} for all running container instances. Copy the script to the /etc/ init.d/rc.d directory and execute chconfig enabling the script to run during operating system shutdown.
  • E. Use AWS CodePipeline to build a pipeline that discovers the latest Amazon-provided ECS AMI, then copies the image to an encrypted AMI outputting the encrypted AMI ID. Use the encrypted AMI ID when deploying the cluster.

Answer: A,B

Explanation:
Breakdown.
All EBS volumes used in ECS cluster must be encrypted.
Instances drained of all taksks before being teminated.
Select 2 options.
A). This is a docker level config - nope.
B). Way too much engineering for an encrypted image.
Explanation.
C1. If you launch an ECS cluter in console, you get 3 templates to choose from, these are CloudFormation templates for EC2 on-demand or spot instance based deployments.# C2. EBS configuration. Encrypted: True is a valid boolean key + value.
C3. AWS KMS. Alias is accurate.
C4. Option C is valid.
D). This is standard valid behaviour. Different ways to do things, this method is valid. They intentionally used the 'the AWS SDK' to bring doubts into how you do this. Cover the text to layman tems: AWS SDK = in Lambda use something like python to make a call to AWS to put the instance in draining mode.
D response is valid.
E). ECS::EncryptedImage does not exist. No AWS CLI for the --use-encrypted either. Nope.
Final answer.
C and D.
(Try actually deploying a 2 node cluster on T2 micro instances and play around - see what happens and look at the cloudformation templater (EC2+Linux tempalate).


NEW QUESTION # 286
A development team manages website deployments using AWS CodeDeploy blue/green deployments. The application is running on Amazon EC2 instances behind an Application Load Balancer in an Auto Scaling group.
When deploying a new revision, the team notices the deployment eventually fails, but it takes a long time to fail. After further inspection, the team discovers the AllowTraffic lifecycle event ran for an hour and eventually failed without providing any other information. The team wants to ensure failure notices are delivered more quickly while maintaining application availability even upon failure.
Which combination of actions should be taken to meet these requirements? (Choose two.)

  • A. Reduce the HealthCheckIntervalSeconds and UnhealthyThresholdCount values within the target group health checks to decrease the amount of time it takes for the application to be considered unhealthy.
  • B. Change the deployment configuration to CodeDeployDefault.AllAtOnce to speed up the deployment process by deploying to all of the instances at the same time.
  • C. Create a CodeDeploy trigger for the deployment failure event and make the deployment fail as soon as a single health check failure is detected.
  • D. Use the appspec,yml file to run a script on the BeforeAllowTraffic hook to perform hearth checks on the application and fail the deployment if the health checks performed by the script are not successful.
  • E. Use the appspec.yml file to run a script on the AllowTraffic hook to perform lighter health checks on the application instead of making CodeDeploy wait for the target group health checks to pass.

Answer: B,D


NEW QUESTION # 287
A DevOps engineer used an AWS CloudFormation custom resource to set up AD Connector. The AWS Lambda function executed and created AD Connector, but CloudFormation is not transitioning from CREATE_IN_PROGRESS to CREATE_COMPLETE.
Which action should the engineer take to resolve this issue?

  • A. Ensure the Lambda function code has exited successfully.
  • B. Ensure the Lambda function IAM role has ds:ConnectDirectory permissions for the AWS account.
  • C. Ensure the Lambda function IAM role has cloudformation:UpdateStack permissions for the stack ARN.
  • D. Ensure the Lambda function code returns a response to the pre-signed URL.

Answer: D

Explanation:
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/crpg-ref-responses.html


NEW QUESTION # 288
A company updated the AWS CloudFormation template tor a critical business application. The stack update process Tailed due to an error in me updated template, and CloudFormation automatically began the stack rollback process Later, a DevOps engineer found the application was still unavailable, and that the stack was in the UPDATE_ROLLBACK_FALED state Which combination of actions will allow the stack rollback to complete successful/? (Select TWO)

  • A. Manually the resources to match the expectations of the stack.
  • B. Automatically heal the stack resources using CloudFormation drift detection.
  • C. Update the existing CloudFormation stack using the original template
  • D. Attach the AWSCloudFormationFulAccess IAM policy to the CloudFormation role
  • E. Issue a ContinueUpdateRolback command from the CloudFormation console or AWS CLI

Answer: C,E


NEW QUESTION # 289
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