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Amazon DOP-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Configuration Management and Infrastructure as Code	17%	- Infrastructure provisioning and automation 1. AWS CloudFormation and CDK usage 2. Configuration tools and automation strategies
Monitoring and Logging	15%	- Observability and metrics 1. CloudWatch monitoring and alarms 2. Log aggregation and analysis
SDLC Automation	22%	- CI/CD pipeline design and implementation 1. Build and deployment automation 2. Pipeline optimization and scaling
Security and Compliance Automation	13%	- Security automation in CI/CD and infrastructure 1. IAM policy automation and governance 2. Compliance monitoring and auditing
Incident and Event Management	18%	- Operational response and recovery 1. Incident detection and remediation 2. Automated event-driven responses
Resilient Cloud Solutions	15%	- High availability and fault tolerance design 1. Disaster recovery strategies 2. Multi-AZ and multi-region architectures

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q128-Q133):

NEW QUESTION # 128
A Company uses AWS CodeCommit for source code control. Developers apply their changes to various feature branches and create pull requests to move those changes to the main branch when the changes are ready for production.
The developers should not be able to push changes directly to the main branch. The company applied the AWSCodeCommitPowerUser managed policy to the developers' IAM role, and now these developers can push changes to the main branch directly on every repository in the AWS account.
What should the company do to restrict the developers' ability to push changes to the main branch directly?

A. Remove the IAM policy, and add an AWSCodeCommitReadOnly managed policy. Add an Allow rule for the GitPush and PutFile actions for the specific repositories in the policy statement with a condition that references the mam branch.
B. Create an additional policy to include a Deny rule for the GitPush and PutFile actions. Include a restriction for the specific restriction for the specific repositories in the policy repositories in the policy statement with a condition that references the main branch.
A Create an additional policy to include a Deny rule for the GitPush and PutFile actions Include a restriction for the specific repositories in the policy statement with a condition that references the main branch
C. Create an additional policy to include an Allow rule for the GitPush and PutFile actions. Include a restriction for the specific repositories in the policy statement with a condition that references the feature branches.
D. Modify the IAM policy Include a Deny rule for the GitPush and PutFile actions for the specific repositories in the policy statement with a condition that references the main branch.

Answer: B

Explanation:
Explanation
By default, the AWSCodeCommitPowerUser managed policy allows users to push changes to any branch in any repository in the AWS account. To restrict the developers' ability to push changes to the main branch directly, an additional policy is needed that explicitly denies these actions for the main branch.
The Deny rule should be included in a policy statement that targets the specific repositories and includes a condition that references the main branch. The policy statement should look something like this:
{
"Effect": "Deny",
"Action": [
"codecommit:GitPush",
"codecommit:PutFile"
],
"Resource": "arn:aws:codecommit:<region>:<account-id>:<repository-name>",
"Condition": {
"StringEqualsIfExists": {
"codecommit:References": [
"refs/heads/main"
]
}
}

NEW QUESTION # 129
A company uses an organization in AWS Organizations to manage multiple AWS accounts in a hierarchical structure. An SCP that is associated with the organization root allows IAM users to be created.
A DevOps team must be able to create IAM users with any level of permissions. Developers must also be able to create IAM users. However, developers must not be able to grant new IAM users excessive permissions.
The developers have the CreateAndManageUsers role in each account. The DevOps team must be able to prevent other users from creating IAM users.
Which combination of steps will meet these requirements? (Select TWO.)

A. Create an SCP in the organization to grant users that have the DeveloperBoundary policy attached the ability to create new IAM users and to modify IAM users. Configure the SCP to require users to attach the PermissionBoundaries policy to any new IAM user. Attach the SCP to the root of the organization.
B. Create an SCP in the organization to deny users the ability to create and modify IAM users. Attach the SCP to the root of the organization. Attach the CreateAndManageUsers role to developers.
C. Create an IAM permissions policy named PermissionBoundaries within each account. Configure PermissionsBoundaries to allow users who have the PermissionBoundaries policy to create new IAM users.
D. Create an IAM permissions policy named PermissionBoundaries within each account. Configure the PermissionBoundaries policy to specify the maximum permissions that a developer can grant to a new IAM user.
E. Create an IAM permissions policy named DeveloperBoundary within each account. Configure the DeveloperBoundary policy to allow developers to create IAM users and to assign policies to IAM users only if the developer includes the PermissionBoundaries policy as the permissions boundary. Attach the DeveloperBoundary policy to the CreateAndManageUsers role within each account.

Answer: D,E

Explanation:
To allow developers to create IAM users without granting excessive permissions, the correct solution is to use permissions boundaries, which AWS specifically recommends for restricting delegated administrators such as developers. A permissions boundary defines the maximum permissions that an IAM user or role can delegate.
Step C ensures that each AWS account contains a PermissionBoundaries policy defining the maximum allowed permissions that any developer-created user may receive. This prevents privilege escalation, even if the developer attaches a more powerful policy. This aligns with AWS guidance for restricting privilege escalation within multi-account environments.
Step E ensures that developers can create IAM users but only if they attach the PermissionBoundaries policy as the permissions boundary. By attaching the DeveloperBoundary policy to the CreateAndManageUsers role, developers gain the ability to create users, but they are cryptographically prevented from assigning permissions outside the boundary policy.
Meanwhile, the DevOps team (who are not restricted by the boundary) can still create IAM users with full permissions.
This combination satisfies all constraints:
DevOps team: unrestricted IAM creation
Developers: restricted IAM creation enforced by boundaries
Other users: still blocked from IAM creation by existing SCP

NEW QUESTION # 130
A company uses an organization in AWS Organizations to manage 10 AWS accounts. All features are enabled, and trusted access for AWS CloudFormation is enabled.
A DevOps engineer needs to use CloudFormation to deploy an IAM role to the Organizations management account and all member accounts in the organization.
Which solution will meet these requirements with the LEAST operational overhead?

A. Create a CloudFormation StackSet that has service-managed permissions. Set the root OU as a deployment target. Deploy a separate CloudFormation stack in the Organizations management account.
B. Create a CloudFormation StackSet that has self-managed permissions. Set the root OU as a deployment target.
C. Create a CloudFormation StackSet that has self-managed permissions. Set the root OU as a deployment target. Deploy a separate CloudFormation stack in the Organizations management account.
D. Create a CloudFormation StackSet that has service-managed permissions. Set the root OU as a deployment target.

Answer: A

Explanation:
Service-managed StackSets are the correct low-overhead deployment model when AWS Organizations trusted access is enabled. CloudFormation creates and manages the required StackSet execution roles, so self- managed permissions are unnecessary. However, AWS explicitly states that service-managed StackSets do not deploy stacks to the organization management account, even if the management account is part of the organization or belongs to an OU. Therefore, targeting the root OU deploys to the member accounts, but the management account still needs a separate normal CloudFormation stack. Option B is the only answer that covers both the member accounts and the management account with the least operational overhead. Option A misses the management account, while C and D require unnecessary self-managed role administration.

NEW QUESTION # 131
A company has a web application that publishes logs that contain metadata for transactions, with a status of success or failure for each log. The logs are in JSON format. The application publishes the logs to an Amazon CloudWatch Logs log group.
The company wants to create a dashboard that displays the number of successful transactions.
Which solution will meet this requirement with the LEAST operational overhead?

A. Create an Amazon Kinesis data stream that is subscribed to the log group. Configure the data stream to filter incoming log data based on a status of success and to send the filtered logs to an AWS Lambda function. Configure the Lambda function to publish a custom metric to CloudWatch. Create a CloudWatch dashboard by using a metric graph that displays the custom metric.
B. Create a CloudWatch metric filter for the log groups with a filter pattern that matches the transaction status property and a value of success. Create a CloudWatch dashboard by using a metric graph that displays the new metric.
C. Create an Amazon OpenSearch Service cluster and an OpenSearch Service subscription filter to send the log group data to the cluster. Create a dashboard within the Dashboards feature in the OpenSearch Service cluster by using a search query for transactions that have a status of success.
D. Create a CloudWatch subscription filter for the log group that uses an AWS Lambda function.
Configure the Lambda function to parse the JSON logs and publish a custom metric to CloudWatch for transactions that have a status of success. Create a CloudWatch dashboard by using a metric graph that displays the custom metric.

Answer: B

NEW QUESTION # 132
A company is using AWS CodePipeline to automate its release pipeline. AWS CodeDeploy is being used in the pipeline to deploy an application to Amazon Elastic Container Service (Amazon ECS) using the blue/green deployment model. The company wants to implement scripts to test the green version of the application before shifting traffic. These scripts will complete in 5 minutes or less. If errors are discovered during these tests, the application must be rolled back.
Which strategy will meet these requirements?

A. Add a stage to the CodePipeline pipeline between the source and deploy stages. Use AWS CodeBuild to create a runtime environment and build commands in the buildspec file to invoke test scripts. If errors are found, use the aws deploy stop-deployment command to stop the deployment.
B. Add a hooks section to the CodeDeploy AppSpec file. Use the AfterAllowTraffic lifecycle event to invoke the test scripts. If errors are found, use the aws deploy stop-deployment CLI command to stop the deployment.
C. Add a hooks section to the CodeDeploy AppSpec file. Use the AfterAllowTestTraffic lifecycle event to invoke an AWS Lambda function to run the test scripts. If errors are found, exit the Lambda function with an error to initiate rollback.
D. Add a stage to the CodePipeline pipeline between the source and deploy stages. Use this stage to invoke an AWS Lambda function that will run the test scripts. If errors are found, use the aws deploy stop-deployment command to stop the deployment.

Answer: C

Explanation:
Explanation
https://docs.aws.amazon.com/codedeploy/latest/userguide/reference-appspec-file-structure-hooks.html

NEW QUESTION # 133
......

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