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Amazon DOP-C02 Exam Syllabus Topics:

Section	Weight	Objectives
SDLC Automation	22%	- Design and implement CI/CD pipelines 1. Design failure handling strategies 2. Implement deployment strategies (blue-green, canary, rolling) 3. Determine appropriate CI/CD pipeline architecture 4. Develop CI/CD pipelines considering testing and security requirements - Design and implement source code management strategies 1. Design code review and approval processes 2. Implement repository configurations and hooks 3. Determine branching strategies - Design build and test environments 1. Implement build environments (isolated, reproducible) 2. Integrate security scanning and compliance checks 3. Design test automation frameworks
Policies and Standards Automation	10%	- Design and implement preventive and detective controls 1. Design and implement security baselines 2. Implement AWS Organizations and SCPs 3. Implement drift detection and remediation - Design and implement governance strategies 1. Implement tagging policies and resource grouping 2. Implement approval workflows and automation 3. Design cost optimization through policies
Incident and Event Response	18%	- Design and implement chaos engineering practices 1. Analyze system behavior under failure conditions 2. Implement fault injection experiments (AWS Fault Injection Simulator) 3. Design resilience testing strategies - Design and implement event and incident management 1. Design event aggregation and correlation 2. Implement automated response playbooks 3. Implement automated incident detection
Monitoring and Logging	12%	- Design and implement monitoring and observability strategies 1. Implement distributed tracing (AWS X-Ray) 2. Design custom metrics and alarms (Amazon CloudWatch) 3. Implement log aggregation and analysis - Design and implement alerting and incident management 1. Create alarm notification strategies 2. Design runbook automation 3. Implement automated incident response
Configuration Management and Infrastructure as Code	22%	- Design and implement configuration management 1. Design patch management strategies 2. Implement parameter management (AWS Parameter Store, Secrets Manager) 3. Implement AWS Systems Manager for configuration management - Implement compliance and configuration monitoring 1. Use AWS Config for compliance monitoring 2. Design remediation automation 3. Implement AWS CloudTrail for auditing - Design and implement infrastructure as code 1. Design for scalability and repeatability 2. Implement modular and reusable infrastructure components 3. Develop IaC templates (AWS CloudFormation, Terraform) - Design and implement data management strategies 1. Implement database migration strategies 2. Implement data lifecycle management 3. Design backup and recovery solutions
High Availability and Disaster Recovery	16%	- Design and implement high availability and scalability 1. Design multi-AZ and multi-region architectures 2. Implement auto scaling strategies 3. Implement load balancing and traffic management - Design and implement disaster recovery strategies 1. Implement backup and restore mechanisms 2. Implement pilot light and warm standby architectures 3. Design RTO and RPO based DR solutions 4. Implement multi-region active-active architectures - Implement data backup and restore strategies 1. Design point-in-time recovery solutions 2. Implement validation testing for backups 3. Implement cross-region replication

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q20-Q25):

NEW QUESTION # 20
A company's application runs on Amazon EC2 instances. The application writes to a log file that records the username, date, time: and source IP address of the login. The log is published to a log group in Amazon CloudWatch Logs The company is performing a root cause analysis for an event that occurred on the previous day The company needs to know the number of logins for a specific user from the past 7 days Which solution will provide this information'?

A. Create a CloudWatch Logs metric filter on the log group Use a filter pattern that matches the username. Publish a CloudWatch metric that sums the number of logins over the past 7 days.
B. Create a CloudWatch Logs Insights query that uses an aggregation function to count the number of logins for the username over the past 7 days. Run the query against the log group
C. Create a CloudWatch Logs subscription on the log group Use a filter pattern that matches the username Publish a CloudWatch metric that sums the number of logins over the past 7 days
D. Create a CloudWatch dashboard. Add a number widget that has a filter pattern that counts the number of logins for the username over the past 7 days directly from the log group

Answer: B

Explanation:
To analyze and find the number of logins for a specific user from the past 7 days, a CloudWatch Logs Insights query is the most suitable solution. CloudWatch Logs Insights enables you to interactively search and analyze your log data in Amazon CloudWatch Logs. You can use the query language to perform queries that contain multiple commands, including aggregation functions, which can count the occurrences of logins for a specific username over a specified time period. This approach is more direct and efficient than creating a metric filter or subscription, which would require additional steps to publish and sum a metric. Reference: AWS Certified DevOps Engineer - Professional, CloudWatch Logs Insights query syntax, Tutorial: Run a query with an aggregation function, Add or remove a number widget from a CloudWatch dashboard.

NEW QUESTION # 21
A development team uses AWS CodeCommit for version control for applications. The development team uses AWS CodePipeline, AWS CodeBuild. and AWS CodeDeploy for CI/CD infrastructure. In CodeCommit, the development team recently merged pull requests that did not pass long-running tests in the code base. The development team needed to perform rollbacks to branches in the codebase, resulting in lost time and wasted effort.
A DevOps engineer must automate testing of pull requests in CodeCommit to ensure that reviewers more easily see the results of automated tests as part of the pull request review.
What should the DevOps engineer do to meet this requirement?

A. Create an Amazon EventBridge rule that reacts to the pullRequestCreated event. Create an AWS Lambda function that invokes a CodePipeline pipeline with a CodeBuild action that runs the tests for the application. Program the Lambda function to post the CodeBuild test results as a comment on the pull request when the test results are complete.
B. Create an Amazon EventBridge rule that reacts to the pullRequestStatusChanged event. Create an AWS Lambda function that invokes a CodePipeline pipeline with a CodeBuild action that runs the tests for the application. Program the Lambda function to post the CodeBuild test results as a comment on the pull request when the test results are complete.
C. Create an Amazon EventBridge rule that reacts to pullRequestCreated and pullRequestSourceBranchUpdated events. Create an AWS Lambda function that invokes a CodePipeline pipeline with a CodeBuild action that runs the tests for the application. Program the Lambda function to post the CodeBuild badge as a comment on the pull request so that developers will see the badge in their code review.
D. Create an Amazon EventBridge rule that reacts to the pullRequestStatusChanged event. Create an AWS Lambda function that invokes a CodePipeline pipeline with a CodeBuild action that runs the tests for the application. Program the Lambda function to post the CodeBuild badge as a comment on the pull request so that developers will see the badge in their code review.

Answer: B

NEW QUESTION # 22
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 IAM Identity Center (AWS Single Sign-On) 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.)

A. Create a group in the IdP. Place users in the group. Assign the group to accounts and the permission sets in IAM Identity Center.
B. Enable attributes for access control in IAM Identity Center. Map attributes from the IdP as key-value pairs.
C. Create permission sets. Attach an inline policy that includes the required permissions and uses the aws:
PrincipalTag condition key to scope the permissions.
D. Create IAM policies that include the required permissions. Include the aws:PrincipalTag condition key.
E. Enable attributes for access control in IAM Identity Center. Apply tags to users. Map the tags as key- value pairs.
F. Create a group in the IdP. Place users in the group. Assign the group to OUs and IAM policies.

Answer: A,B,C

Explanation:
Using the principalTag in the Permission Set inline policy a logged in user belonging to a specific AD group in the IDP can be permitted access to perform operations on certain resources if their group matches the group used in the PrincipleTag. Basically you are narrowing the scope of privileges assigned via Permission policies conditionally based on whether the logged in user belongs to a specific AD Group in IDP. The mapping of the AD group to the request attributes can be doneusing SSO attributes where we can pass other attributes like the SAML token as well.
https://docs.aws.amazon.com/singlesignon/latest/userguide/abac.html

NEW QUESTION # 23
A development team is using AWS CodeCommit to version control application code and AWS CodePipeline to orchestrate software deployments. The team has decided to use a remote main branch as the trigger for the pipeline to integrate code changes. A developer has pushed code changes to the CodeCommit repository, but noticed that the pipeline had no reaction, even after 10 minutes.
Which of the following actions should be taken to troubleshoot this issue?

A. Check that the CodePipeline service role has permission to access the CodeCommit repository.
B. Check that the developer's IAM role has permission to push to the CodeCommit repository.
C. Check to see if the pipeline failed to start because of CodeCommit errors in Amazon CloudWatch Logs.
D. Check that an Amazon EventBridge rule has been created for the main branch to trigger the pipeline.

Answer: D

NEW QUESTION # 24
A company is migrating from its on-premises data center to AWS. The company currently uses a custom on-premises CI/CD pipeline solution to build and package software.
The company wants its software packages and dependent public repositories to be available in AWS CodeArtifact to facilitate the creation of application-specific pipelines.
Which combination of steps should the company take to update the CI/CD pipeline solution and to configure CodeArtifact with the LEAST operational overhead? (Select TWO.)

A. Create a CodeArtifact repository that is configured with a set of external connections to the public repositories. Configure the external connections to be downstream of the repository
B. Update the CI/CD pipeline to create a VM image that contains newly packaged software Use AWS Import/Export to make the VM image available as anAmazon EC2 AMI. Launch the AMI with an attached 1AM instance profile that allows CodeArtifact actions. Use AWS CLI commands to publish the packages to a CodeArtifact repository.
C. For each public repository, create a CodeArtifact repository that is configured with an external connection Configure the dependent repositories as upstream public repositories.
D. Create a new Amazon S3 bucket. Generate a presigned URL that allows the PutObject request. Update the on-premises CI/CD pipeline to use thepresigned URL to publish the packages from the on-premises location to the S3 bucket. Create an AWS Lambda function that runs when packages are created in the bucket through a put command Configure the Lambda function to publish the packages to CodeArtifact
E. Create an AWS Identity and Access Management Roles Anywhere trust anchor Create an 1AM role that allows CodeArtifact actions and that has a trust relationship on the trust anchor. Update the on-premises CI/CD pipeline to assume the new 1AM role and to publish the packages to CodeArtifact.

Answer: C,E

Explanation:
* Create an AWS Identity and Access Management Roles Anywhere trust anchor Create an IAM role that allows CodeArtifact actions and that has a trust relationship on the trust anchor. Update the on-premises CI/CD pipeline to assume the new IAM role and to publish the packages to CodeArtifact:
Roles Anywhere allows on-premises servers to assume IAM roles, making it easier to integrate on-premises environments with AWS services.
Steps:
Create a trust anchor in IAM.
Create an IAM role with permissions for CodeArtifact actions (e.g., publishing packages).
Update the CI/CD pipeline to assume this role using the trust anchor.
* Create a new Amazon S3 bucket. Generate a presigned URL that allows the PutObject request. Update the on-premises CI/CD pipeline to use the presigned URL to publish the packages from the on-premises location to the S3 bucket. Create an AWS Lambda function that runs when packages are created in the bucket through a put command Configure the Lambda function to publish the packages to CodeArtifact:
Using an S3 bucket as an intermediary, you can easily upload packages from on-premises systems.
Steps:
Create an S3 bucket.
Generate presigned URLs to allow the CI/CD pipeline to upload packages.
Configure an AWS Lambda function to trigger on S3 PUT events and publish the packages to CodeArtifact.
References:
IAM Roles Anywhere
Amazon S3 presigned URLs
AWS Lambda function triggers

NEW QUESTION # 25
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