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Amazon DOP-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Configuration Management and Infrastructure as Code	22%	- Design and implement data management strategies 1. Design backup and recovery solutions 2. Implement data lifecycle management 3. Implement database migration strategies - Design and implement configuration management 1. Design patch management strategies 2. Implement AWS Systems Manager for configuration management 3. Implement parameter management (AWS Parameter Store, Secrets Manager) - 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) - Implement compliance and configuration monitoring 1. Use AWS Config for compliance monitoring 2. Implement AWS CloudTrail for auditing 3. Design remediation automation
Topic 2: SDLC Automation	22%	- Design and implement source code management strategies 1. Implement repository configurations and hooks 2. Design code review and approval processes 3. Determine branching strategies - Design build and test environments 1. Design test automation frameworks 2. Integrate security scanning and compliance checks 3. Implement build environments (isolated, reproducible) - Design and implement CI/CD pipelines 1. Determine appropriate CI/CD pipeline architecture 2. Develop CI/CD pipelines considering testing and security requirements 3. Implement deployment strategies (blue-green, canary, rolling) 4. Design failure handling strategies
Topic 3: Incident and Event Response	18%	- Design and implement event and incident management 1. Design event aggregation and correlation 2. Implement automated response playbooks 3. Implement automated incident detection - Design and implement chaos engineering practices 1. Implement fault injection experiments (AWS Fault Injection Simulator) 2. Design resilience testing strategies 3. Analyze system behavior under failure conditions
Topic 4: High Availability and Disaster Recovery	16%	- Design and implement disaster recovery strategies 1. Implement pilot light and warm standby architectures 2. Implement multi-region active-active architectures 3. Implement backup and restore mechanisms 4. Design RTO and RPO based DR solutions - Design and implement high availability and scalability 1. Implement load balancing and traffic management 2. Design multi-AZ and multi-region architectures 3. Implement auto scaling strategies - Implement data backup and restore strategies 1. Implement cross-region replication 2. Design point-in-time recovery solutions 3. Implement validation testing for backups
Topic 5: Monitoring and Logging	12%	- Design and implement monitoring and observability strategies 1. Implement distributed tracing (AWS X-Ray) 2. Implement log aggregation and analysis 3. Design custom metrics and alarms (Amazon CloudWatch) - Design and implement alerting and incident management 1. Create alarm notification strategies 2. Design runbook automation 3. Implement automated incident response
Topic 6: 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

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q446-Q451):

NEW QUESTION # 446
A company hosts a security auditing application in an AWS account. The auditing application uses an IAM role to access other AWS accounts. All the accounts are in the same organization in AWS Organizations.
A recent security audit revealed that users in the audited AWS accounts could modify or delete the auditing application's IAM role. The company needs to prevent any modification to the auditing application's IAM role by any entity other than a trusted administrator IAM role.
Which solution will meet these requirements?

A. Create an IAM permissions boundary that includes a Deny statement for changes to the auditing application's IAM role. Include a condition that allows the trusted administrator IAM role to make changes. Attach the permissions boundary to the auditing application's IAM role in the AWS accounts.
B. Create an SCP that includes an Allow statement for changes to the auditing application's IAM role by the trusted administrator IAM role. Include a Deny statement for changes by all other IAM principals. Attach the SCP to the IAM service in each AWS account where the auditing application has an IAM role.
C. Create an SCP that includes a Deny statement for changes to the auditing application's IAM role. Include a condition that allows the trusted administrator IAM role to make changes. Attach the SCP to the root of the organization.
D. Create an IAM permissions boundary that includes a Deny statement for changes to the auditing application's IAM role. Include a condition that allows the trusted administrator IAM role to make changes. Attach the permissions boundary to the audited AWS accounts.

Answer: C

Explanation:
https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_policies_scps.html?icmpid=docs_orgs_console SCPs (Service Control Policies) are the best way to restrict permissions at the organizational level, which in this case would be used to restrict modifications to the IAM role used by the auditing application, while still allowing trusted administrators to make changes to it. Options C and D are not as effective because IAM permission boundaries are applied to IAM entities (users, groups, and roles), not the account itself, and must be applied to all IAM entities in the account.

NEW QUESTION # 447
A DevOps engineer is deploying a new version of a company's application in an AWS CodeDeploy deployment group associated with its Amazon EC2 instances. After some time, the deployment fails. The engineer realizes that all the events associated with the specific deployment ID are in a Skipped status and code was not deployed in the instances associated with the deployment group.
What are valid reasons for this failure? (Select TWO.).

A. The target EC2 instances were not properly registered with the CodeDeploy endpoint.
B. The IAM user who triggered the application deployment does not have permission to interact with the CodeDeploy endpoint.
C. The appspec. yml file was not included in the application revision.
D. The networking configuration does not allow the EC2 instances to reach the internet via a NAT gateway or internet gateway and the CodeDeploy endpoint cannot be reached.
E. An instance profile with proper permissions was not attached to the target EC2 instances.

Answer: D,E

Explanation:
https://docs.aws.amazon.com/codedeploy/latest/userguide/troubleshooting-deployments.html#troubleshooting-skipped-lifecycle-events

NEW QUESTION # 448
A company deploys an application to Amazon EC2 instances. The application runs Amazon Linux 2 and uses AWS CodeDeploy. The application has the following file structure for its code repository:

The appspec.yml file has the following contents in the files section:

What will the result be for the deployment of the config.txt file?

A. The config txt file will be deployed to /usr/local/src/config.txt and to /var/www/html/application/web
/config txt
B. The config.txt file will be deployed to only /usr/local/src/config txt
C. The config.txt file will be deployed to only /var/www/html/config/config txt
D. The config.txt file will be deployed to /usr/local/src/config.txt and to /var/www/html/config/config txt.

Answer: B

Explanation:
Deployment of config.txt file based on the appspec.yml:
The appspec.yml file specifies that config/config.txt should be copied to /usr/local/src/config.txt.
The source: / directive in the appspec.yml indicates that the entire directory structure starting from the root of the application source should be copied to the specified destination, which is /var/www/html.
Result of the Deployment:
The config.txt file will be specifically deployed to /usr/local/src/config.txt as per the explicit file mapping.
The entire directory structure including application/web will be copied to /var/www/html, but this does not include config/config.txt since it has a specific destination defined.
Thus, the config.txt file will be deployed only to /usr/local/src/config.txt.
Therefore, the correct answer is:
C). The config.txt file will be deployed to only /usr/local/src/config.txt.
References:
AWS CodeDeploy AppSpec File Reference
AWS CodeDeploy Deployment Process

NEW QUESTION # 449
A company manages multiple AWS accounts by using AWS Organizations with OUS for the different business divisions, The company is updating their corporate network to use new IP address ranges. The company has 10 Amazon S3 buckets in different AWS accounts. The S3 buckets store reports for the different divisions. The S3 bucket configurations allow only private corporate network IP addresses to access the S3 buckets.
A DevOps engineer needs to change the range of IP addresses that have permission to access the contents of the S3 buckets The DevOps engineer also needs to revoke the permissions of two OUS in the company Which solution will meet these requirements?

A. Create a new SCP that has two statements, one that allows access to the new range of IP addresses for all the S3 buckets and one that demes access to the old range of IP addresses for all the S3 buckets. Set a permissions boundary for the OrganzauonAccountAccessRole role In the two OUS to deny access to the S3 buckets.
B. Create a new SCP that has a statement that allows only the new range of IP addresses to access the S3 buckets. Create another SCP that denies access to the S3 buckets. Attach the second SCP to the two OUS
C. On all the S3 buckets, configure resource-based policies that allow only the new range of IP addresses to access the S3 buckets. Set a permissions boundary for the OrganizationAccountAccessRole role in the two OUS to deny access to the S3 buckets.
D. On all the S3 buckets, configure resource-based policies that allow only the new range of IP addresses to access the S3 buckets. Create a new SCP that denies access to the S3 buckets. Attach the SCP to the two OUs.

Answer: D

Explanation:
The correct answer is C.
Option A is incorrect because creating a new SCP that has two statements, one that allows access to the new range of IP addresses for all the S3 buckets and one that denies access to the old range of IP addresses for all the S3 buckets, is not a valid solution. SCPs are not resource-based policies, and they cannot specify the S3 buckets or the IP addresses as resources or conditions. SCPs can only control the actions that can be performed by the principals in the organization, not the access to specific resources. Moreover, setting a permissions boundary for the OrganizationAccountAccessRole role in the two OUs to deny access to the S3 buckets is not sufficient to revoke the permissions of the two OUs, as there might be other roles or users in those OUs that can still access the S3 buckets.
Option B is incorrect because creating a new SCP that has a statement that allows only the new range of IP addresses to access the S3 buckets is not a valid solution, for the same reason as option A. SCPs are not resource-based policies, and they cannot specify the S3 buckets or the IP addresses as resources or conditions.
Creating another SCP that denies access to the S3 buckets and attaching it to the two OUs is also not a valid solution, as SCPs cannot specify the S3 buckets as resources either.
Option C is correct because it meets both requirements of changing the range of IP addresses that have permission to access the contents of the S3 buckets and revoking the permissions of two OUs in the company.
On all the S3 buckets, configuring resource-based policies that allow only the new range of IP addresses to access the S3 buckets is a valid way to update the IP address ranges, as resource-based policies can specify both resources and conditions. Creating a new SCP that denies access to the S3 buckets and attaching it to the two OUs is also a valid way to revoke the permissions of those OUs, as SCPs can deny actions such as s3:
PutObject or s3:GetObject on any resource.
Option D is incorrect because setting a permissions boundary for the OrganizationAccountAccessRole role in the two OUs to deny access to the S3 buckets is not sufficient to revoke the permissions of the two OUs, as there might be other roles or users in those OUs that can still access the S3 buckets. A permissions boundary is a policy that defines the maximum permissions that an IAM entity can have. However, it does not revoke any existing permissions that are granted by other policies.
References:
AWS Organizations
S3 Bucket Policies
Service Control Policies
Permissions Boundaries

NEW QUESTION # 450
A company uses AWS CDK and CodePipeline with CodeBuild to deploy applications. The company wants to enforce unit tests before deployment; deployment proceeds only if tests pass.
Which steps enforce this? (Select TWO.)

A. Update CodeBuild commands to run tests then deploy, add --rollback true to cdk deploy.
B. Update CodeBuild build commands to run tests then deploy, set OnFailure to ABORT.
C. Create tests with AWS CDK assertions module, using template.hasResourceProperties assertions.
D. Create tests that use cdk diff and fail if any resource changes are detected.
E. Update CodeBuild commands to run tests then deploy, add --require-approval any-change flag.

Answer: B,C

Explanation:
* Running unit tests in the build phase and aborting on failure (OnFailure=ABORT) prevents deployment if tests fail.
* AWS CDK assertions module provides programmatic unit tests against synthesized templates (Option D).
* The --rollback flag relates to CloudFormation stack rollback, not test gating.
* The --require-approval flag controls manual approvals, not test outcomes.
* cdk diff checks for changes but is not a unit test and may not catch logical errors.
References:
Testing AWS CDK Applications
CodeBuild Buildspec OnFailure

NEW QUESTION # 451
......

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