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Amazon DOP-C02 Exam Syllabus Topics:

SectionWeightObjectives
High Availability and Disaster Recovery16%- 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
- Implement data backup and restore strategies
  • 1. Implement cross-region replication
  • 2. Implement validation testing for backups
  • 3. Design point-in-time recovery solutions
- Design and implement high availability and scalability
  • 1. Implement auto scaling strategies
  • 2. Design multi-AZ and multi-region architectures
  • 3. Implement load balancing and traffic management
Monitoring and Logging12%- 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
Policies and Standards Automation10%- 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 approval workflows and automation
  • 2. Design cost optimization through policies
  • 3. Implement tagging policies and resource grouping
Configuration Management and Infrastructure as Code22%- Design and implement data management strategies
  • 1. Implement database migration strategies
  • 2. Implement data lifecycle management
  • 3. Design backup and recovery solutions
- Implement compliance and configuration monitoring
  • 1. Use AWS Config for compliance monitoring
  • 2. Implement AWS CloudTrail for auditing
  • 3. Design remediation automation
- Design and implement configuration management
  • 1. Implement parameter management (AWS Parameter Store, Secrets Manager)
  • 2. Implement AWS Systems Manager for configuration management
  • 3. Design patch management strategies
- Design and implement infrastructure as code
  • 1. Design for scalability and repeatability
  • 2. Develop IaC templates (AWS CloudFormation, Terraform)
  • 3. Implement modular and reusable infrastructure components
Incident and Event Response18%- 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
- Design and implement event and incident management
  • 1. Implement automated incident detection
  • 2. Design event aggregation and correlation
  • 3. Implement automated response playbooks
SDLC Automation22%- Design and implement CI/CD pipelines
  • 1. Implement deployment strategies (blue-green, canary, rolling)
  • 2. Design failure handling strategies
  • 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. Design test automation frameworks
  • 2. Implement build environments (isolated, reproducible)
  • 3. Integrate security scanning and compliance checks

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q174-Q179):

NEW QUESTION # 174
A company's development team uses AVMS Cloud Formation to deploy its application resources The team must use for an changes to the environment The team cannot use AWS Management Console or the AWS CLI to make manual changes directly.
The team uses a developer IAM role to access the environment The role is configured with the Admnistratoraccess managed policy. The company has created a new Cloudformationdeployment IAM role that has the following policy.

The company wants ensure that only CloudFormation can use the new role. The development team cannot make any manual changes to the deployed resources.
Which combination of steps meet these requirements? (Select THREE.)

Answer: A,C,D

Explanation:
A comprehensive and detailed explanation is:
Option A is correct because removing the AdministratorAccess policy and assigning the ReadOnlyAccess managed IAM policy to the developer role is a valid way to prevent the developers from making any manual changes to the deployed resources. The AdministratorAccess policy grants full access to all AWS resources and actions, which is not necessary for the developers. The ReadOnlyAccess policy grants read-only access to most AWS resources and actions, which is sufficient for the developers to view the status of their stacks. Instructing the developers to use the CloudFormationDeployment role as a CloudFormation service role when they deploy new stacks is also a valid way to ensure that only CloudFormation can use the new role. A CloudFormation service role is an IAM role that allows CloudFormation to make calls to resources in a stack on behalf of the user1. The user can specify a service role when they create or update a stack, and CloudFormation will use that role's credentials for all operations that are performed on that stack1.
Option B is incorrect because updating the trust of CloudFormationDeployment role to allow the developer IAM role to assume the CloudFormationDeployment role is not a valid solution. This would allow the developers to manually assume the CloudFormationDeployment role and perform actions on the deployed resources, which is not what the company wants. The trust of CloudFormationDeployment role should only allow the cloudformation.amazonaws.com AWS principal to assume the role, as in option D.
Option C is incorrect because configuring the IAM user to be able to get and pass the CloudFormationDeployment role if cloudformation actions for resources is not a valid solution. This would allow the developers to manually pass the CloudFormationDeployment role to other services or resources, which is not what the company wants. The IAM user should only be able to pass the CloudFormationDeployment role as a service role when they create or update a stack with CloudFormation, as in option A.
Option D is correct because updating the trust of CloudFormationDeployment role to allow the cloudformation.amazonaws.com AWS principal to perform the iam:AssumeRole action is a valid solution. This allows CloudFormation to assume the CloudFormationDeployment role and access resources in other services on behalf of the user2. The trust policy of an IAM role defines which entities can assume the role2. By specifying cloudformation.amazonaws.com as the principal, you grant permission only to CloudFormation to assume this role.
Option E is incorrect because instructing the developers to assume the CloudFormationDeployment role when they deploy new stacks is not a valid solution. This would allow the developers to manually assume the CloudFormationDeployment role and perform actions on the deployed resources, which is not what the company wants. The developers should only use the CloudFormationDeployment role as a service role when they deploy new stacks with CloudFormation, as in option A.
Option F is correct because adding an IAM policy to CloudFormationDeployment that allows cloudformation:* on all resources and adding a policy that allows the iam:PassRole action for ARN of CloudFormationDeployment if iam:PassedToService equals cloudformation.amazonaws.com are valid solutions. The first policy grants permission for CloudFormationDeployment to perform any action with any resource using cloudformation.amazonaws.com as a service principal3. The second policy grants permission for passing this role only if it is passed by cloudformation.amazonaws.com as a service principal4. This ensures that only CloudFormation can use this role.
References:
1: AWS CloudFormation service roles
2: How to use trust policies with IAM roles
3: AWS::IAM::Policy
4: IAM: Pass an IAM role to a specific AWS service


NEW QUESTION # 175
A DevOps engineer manages a web application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances run in an EC2 Auto Scaling group across multiple Availability Zones.
The engineer needs to implement a deployment strategy that:
Launches a second fleet of instances with the same capacity as the original fleet.
Maintains the original fleet unchanged while the second fleet is launched.
Transitions traffic to the second fleet when the second fleet is fully deployed.
Terminates the original fleet automatically 1 hour after transition.
Which solution will satisfy these requirements?

Answer: D

Explanation:
https://docs.aws.amazon.com/codedeploy/latest/APIReference/API_BlueInstanceTerminationOption.html The original revision termination settings are configured to wait 1 hour after traffic has been rerouted before terminating the blue task set.https://docs.aws.amazon.com/AmazonECS/latest/developerguide/deployment- type-bluegreen.html


NEW QUESTION # 176
A DevOps team manages infrastructure for an application. The application uses long-running processes to process items from an Amazon Simple Queue Service (Amazon SQS) queue. The application is deployed to an Auto Scaling group.
The application recently experienced an issue where items were taking significantly longer to process. The queue exceeded the expected size, which prevented various business processes from functioning properly. The application records all logs to a third-party tool.
The team is currently subscribed to an Amazon Simple Notification Service (Amazon SNS) topic that the team uses for alerts. The team needs to be alerted if the queue exceeds the expected size.
Which solution will meet these requirements with the MOST operational efficiency?

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The Amazon SQS service publishes several standard CloudWatch metrics by default, including ApproximateNumberOfMessagesVisible, which represents the number of messages available for retrieval from the queue (i.e., the number of messages waiting to be processed). This is the primary metric to monitor queue backlog and processing delays.
Using ApproximateNumberOfMessagesVisible to monitor the visible messages in the queue gives a direct and near real-time indication of processing delays or backlog.
CloudWatch metrics are automatically collected and available without the need to create custom metrics or Lambda functions, which increases operational efficiency by reducing complexity and maintenance overhead.
Setting a CloudWatch alarm on this metric with a static threshold and a reasonable evaluation period (such as 1 hour) is sufficient to alert the team when the queue grows beyond an expected size.
The alarm can be directly configured to send notifications to an existing SNS topic, maintaining seamless integration with the team's alerting mechanisms.
The ApproximateNumberOfMessagesDelayed metric refers to messages that are delayed and not available for processing yet due to delay settings, which is not the direct backlog that causes business process delays.
Options C and D introduce unnecessary complexity by requiring Lambda functions and custom metrics or scheduled invocations, which reduce operational efficiency compared to using built-in CloudWatch metrics and alarms.
Reference from AWS Official Documentation and Study Guide:
Amazon SQS Monitoring with CloudWatch Metrics:
"Amazon SQS automatically sends metrics to CloudWatch, including ApproximateNumberOfMessagesVisible, which shows the number of messages available for retrieval." (Source: Amazon SQS Monitoring - AWS Documentation) Setting CloudWatch Alarms for SQS Queues:
"You can create CloudWatch alarms on SQS metrics such as ApproximateNumberOfMessagesVisible to receive notifications when the queue size exceeds a threshold." (Source: Amazon CloudWatch Alarms - AWS Documentation) AWS DevOps Engineer Professional Exam Guide:
"Efficient alerting for queue backlogs should leverage native CloudWatch metrics to minimize operational overhead." (Source: Official AWS Certified DevOps Engineer Professional Study Guide)


NEW QUESTION # 177
A development team wants to use AWS CloudFormation stacks to deploy an application. However, the developer IAM role does not have the required permissions to provision the resources that are specified in the AWS CloudFormation template. A DevOps engineer needs to implement a solution that allows the developers to deploy the stacks. The solution must follow the principle of least privilege.
Which solution will meet these requirements?

Answer: C

Explanation:
Explanation
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-iam-servicerole.html


NEW QUESTION # 178
A company has a guideline that every Amazon EC2 instance must be launched from an AMI that the company's security team produces Every month the security team sends an email message with the latest approved AMIs to all the development teams.
The development teams use AWS CloudFormation to deploy their applications. When developers launch a new service they have to search their email for the latest AMIs that the security department sent. A DevOps engineer wants to automate the process that the security team uses to provide the AMI IDs to the development teams.
What is the MOST scalable solution that meets these requirements?

Answer: C

Explanation:
Explanation
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/dynamic-references.html


NEW QUESTION # 179
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