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Amazon DOP-C02 Certification Exam is designed to test the skills and knowledge of professionals in the field of DevOps. DevOps is the combination of cultural philosophies, practices, and tools that increase an organization's ability to deliver applications and services at high velocity. AWS Certified DevOps Engineer - Professional certification is intended for individuals who have experience working in a DevOps environment, and who are looking to take their expertise to the next level.

The AWS Certified DevOps Engineer – Professional (DOP-C02) is an advanced-level certification offered by Amazon Web Services (AWS). AWS Certified DevOps Engineer - Professional certification is designed for IT professionals who have experience in developing and managing applications on the AWS platform. It is intended to validate the skills and expertise of individuals in implementing, automating, and managing DevOps practices on AWS.

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The AWS Certified DevOps Engineer - Professional Exam is a highly respected certification that can significantly enhance a candidate's career opportunities. AWS Certified DevOps Engineer - Professional certification demonstrates a candidate's advanced knowledge and skills in DevOps practices and AWS technologies, making them highly desirable to employers in a variety of industries. Additionally, this certification can help candidates advance their careers by providing them with the necessary skills to design and manage complex systems that support continuous delivery and integration.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q310-Q315):

NEW QUESTION # 310
A company has an application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB) The EC2 Instances are in multiple Availability Zones The application was misconfigured in a single Availability Zone, which caused a partial outage of the application.
A DevOps engineer made changes to ensure that the unhealthy EC2 instances in one Availability Zone do not affect the healthy EC2 instances in the other Availability Zones. The DevOps engineer needs to test the application's failover and shift where the ALB sends traffic During failover. the ALB must avoid sending traffic to the Availability Zone where the failure has occurred.
Which solution will meet these requirements?

A. Turn off cross-zone load balancing on the ALB Use Amazon Route 53 Application Recovery Controller to start a zonal shift away from the Availability Zone
B. Create an Amazon Route 53 Application Recovery Controller resource set that uses the ARN of the ALB's target group Create a readiness check that uses the ElbV2TargetGroupsCanServeTraffic rule
C. Turn off cross-zone load balancing on the ALB's target group Use Amazon Route 53 Application Recovery Controller to start a zonal shift away from the Availability Zone
D. Create an Amazon Route 53 Application Recovery Controller resource set that uses the DNS hostname of the ALB Start a zonal shift for the resource set away from the Availability Zone

Answer: C

Explanation:
* Turn off cross-zone load balancing on the ALB's target group:
Cross-zone load balancing distributes traffic evenly across all registered targets in all enabled Availability Zones. Turning this off will ensure that each target group only handles requests from its respective Availability Zone.
To disable cross-zone load balancing:
Go to the Amazon EC2 console.
Navigate to Load Balancers and select the ALB.
Choose the Target Groups tab, select the target group, and then select the Group details tab.
Click on Edit and turn off Cross-zone load balancing.
* Use Amazon Route 53 Application Recovery Controller to start a zonal shift away from the Availability Zone:
Amazon Route 53 Application Recovery Controller provides the ability to control traffic flow to ensure high availability and disaster recovery.
By using Route 53 Application Recovery Controller, you can perform a zonal shift to redirect traffic away from the unhealthy Availability Zone.
To start a zonal shift:
Configure Route 53 Application Recovery Controller by creating a cluster and control panel.
Create routing controls to manage traffic shifts between Availability Zones.
Use the routing control to shift traffic away from the affected Availability Zone.
Reference:
Disabling cross-zone load balancing
Route 53 Application Recovery Controller

NEW QUESTION # 311
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 an in-place deployment. Associate the Auto Scaling group with the deployment group. Use the Automatically copy Auto Scaling group option. and use CodeDeployDefault.OneAtAtime as the deployment configuration. Instruct AWS CodeDeploy to terminate the original instances in the deployment group, and use the AllowTraffic 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, and use CodeDeployDefault.HalfAtAtime as the deployment configuration.
Instruct AWSCodeDeploy to terminate the original instances in the deployment group, and use the BeforeAlIowTraffic hook within appspec.yml to delete the temporary tiles.
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 CodeDeployDefaulLAIIatOnce as a deployment configuration. Instruct AWS CodeDeploy to terminate the original instances in the deployment group, and use the BlockTraffic hook within appspec.yml to delete the temporary files.
D. Use an Application Load Balancer and a blue/green deployment. Associate the Auto Scaling group and 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 BeforeBlockTraffic hook within appspec.yml to delete the temporary files.

Answer: B

Explanation:
* Step 1: Use a Blue/Green Deployment StrategyA blue/green deployment strategy is necessary to meet the requirement of launching a new fleet of instances for each deployment and ensuring availability. In a blue/green deployment, the new version (green environment) is deployed to a separate set of instances, while the old version (blue environment) remains active. After testing the new version, traffic can be gradually shifted.
* Action:Use AWS CodeDeploy's blue/green deployment configuration.
* Why:Blue/green deployment minimizes downtime and ensures that traffic is shifted only to healthy instances.

NEW QUESTION # 312
A company is using an AWS CodeBuild project to build and package an application. The packages are copied to a shared Amazon S3 bucket before being deployed across multiple AWS accounts.
The buildspec.yml file contains the following:
The DevOps engineer has noticed that anybody with an AWS account is able to download the artifacts.
What steps should the DevOps engineer take to stop this?

A. Create an S3 bucket policy that grants read access to the relevant AWS accounts and denies read access to the principal "*".
B. Modify the post_build command to use --acl public-read and configure a bucket policy that grants read access to the relevant AWS accounts only.
C. Configure a default ACL for the S3 bucket that defines the set of authenticated users as the relevant AWS accounts only and grants read-only access.
D. Modify the post_build command to remove --acl authenticated-read and configure a bucket policy that allows read access to the relevant AWS accounts only.

Answer: D

Explanation:
When setting the flag authenticated-read in the command line, the owner gets FULL_CONTROL. The AuthenticatedUsers group (Anyone with an AWS account) gets READ access.Reference:https://docs.aws.
amazon.com/AmazonS3/latest/userguide/acl-overview.html

NEW QUESTION # 313
A company needs to increase the security of the container images that run in its production environment. The company wants to integrate operating system scanning and programming language package vulnerability scanning for the containers in its CI/CD pipeline. The CI/CD pipeline is an AWS CodePipeline pipeline that includes an AWS CodeBuild project, AWS CodeDeploy actions, and an Amazon Elastic Container Registry (Amazon ECR) repository.
A DevOps engineer needs to add an image scan to the CI/CD pipeline. The CI/CD pipeline must deploy only images without CRITICAL and HIGH findings into production.
Which combination of steps will meet these requirements? (Select TWO.)

A. Configure an Amazon EventBridge rule to invoke an AWS Lambda function when the image scan is completed. Configure the Lambda function to consume the Amazon Inspector scan status and to submit an Approved or Rejected status to the CI/CD pipeline.
B. Use Amazon ECR basic scanning.
C. Use Amazon ECR enhanced scanning.
D. Configure Amazon ECR to submit a Rejected status to the CI/CD pipeline when the image scan returns CRITICAL or HIGH findings.
E. Configure an Amazon EventBridge rule to invoke an AWS Lambda function when the image scan is completed. Configure the Lambda function to consume the Clair scan status and to submit an Approved or Rejected status to the CI/CD pipeline.

Answer: A,C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Amazon ECR supportsenhanced scanningpowered by Amazon Inspector, which provides deeper security scanning for container images including OS and programming language package vulnerabilities.
* Enabling enhanced scanning (Option B) allows detection of CRITICAL and HIGH vulnerabilities.
* Amazon ECR emits scan completion events via EventBridge, which can trigger Lambda functions. The Lambda function can process the scan results fromAmazon Inspectorand programmatically approve or reject the image in the CI/CD pipeline (Option D).
* Basic scanning (Option A) is limited and does not integrate with Inspector.
* Options C and E describe functionalities not natively supported (ECR does not automatically submit Rejected status; Clair is not used in AWS ECR scanning).
Reference:
Amazon ECR Enhanced Scanning:"Enhanced scanning powered by Amazon Inspector identifies vulnerabilities in container images."(Amazon ECR Image Scanning) Using EventBridge and Lambda for Scan Status:"ECR emits scan events that can be used to trigger Lambda functions for custom approval workflows."(Amazon ECR Scan EventBridge)

NEW QUESTION # 314
A company has an application and a CI/CD pipeline. The CI/CD pipeline consists of an AWS CodePipeline pipeline and an AWS CodeBuild project. The CodeBuild project runs tests against the application as part of the build process and outputs a test report. The company must keep the test reports for 90 days.
Which solution will meet these requirements?

A. Add a report group in the CodeBuild project buildspec file with the appropriate path and format for the reports. Create an Amazon S3 bucket to store the reports. Configure the report group as an artifact in the CodeBuild project buildspec file. Configure the S3 bucket as the artifact destination. Set the object expiration to 90 days.
B. Add a report group in the CodeBuild project buildspec file with the appropriate path and format for the reports. Create an Amazon S3 bucket to store the reports. Configure an Amazon EventBridge rule that invokes an AWS Lambda function to copy the reports to the S3 bucket when a build is completed. Create an S3 Lifecycle rule to expire the objects after 90 days.
C. Add a new stage in the CodePipeline pipeline. Configure a test action type with the appropriate path and format for the reports. Configure the report expiration time to be 90 days in the CodeBuild project buildspec file.
D. Add a new stage in the CodePipeline pipeline after the stage that contains the CodeBuild project. Create an Amazon S3 bucket to store the reports. Configure an S3 deploy action type in the new CodePipeline stage with the appropriate path and format for the reports.

Answer: B

Explanation:
The correct solution is to add a report group in the AWS CodeBuild project buildspec file with the appropriate path and format for the reports. Then, create an Amazon S3 bucket to store the reports. You should configure an Amazon EventBridge rule that invokes an AWS Lambda function to copy the reports to the S3 bucket when a build is completed. Finally, create an S3 Lifecycle rule to expire the objects after 90 days. This approach allows for the automated transfer of reports to long-term storage and ensures they are retained for the required duration without manual intervention1.
:
AWS CodeBuild User Guide on test reporting1.
AWS CodeBuild User Guide on working with report groups2.
AWS Documentation on using AWS CodePipeline with AWS CodeBuild3.

NEW QUESTION # 315
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