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Amazon DOP-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Monitoring and Logging	12%	- Design and implement monitoring and observability strategies 1. Design custom metrics and alarms (Amazon CloudWatch) 2. Implement log aggregation and analysis 3. Implement distributed tracing (AWS X-Ray) - Design and implement alerting and incident management 1. Design runbook automation 2. Create alarm notification strategies 3. Implement automated incident response
Topic 2: Policies and Standards Automation	10%	- Design and implement governance strategies 1. Design cost optimization through policies 2. Implement tagging policies and resource grouping 3. Implement approval workflows and automation - Design and implement preventive and detective controls 1. Implement AWS Organizations and SCPs 2. Design and implement security baselines 3. Implement drift detection and remediation
Topic 3: SDLC Automation	22%	- Design build and test environments 1. Implement build environments (isolated, reproducible) 2. Integrate security scanning and compliance checks 3. Design test automation frameworks - Design and implement CI/CD pipelines 1. Implement deployment strategies (blue-green, canary, rolling) 2. Develop CI/CD pipelines considering testing and security requirements 3. Determine appropriate CI/CD pipeline architecture 4. Design failure handling strategies - Design and implement source code management strategies 1. Implement repository configurations and hooks 2. Design code review and approval processes 3. Determine branching strategies
Topic 4: Incident and Event Response	18%	- Design and implement event and incident management 1. Implement automated response playbooks 2. Implement automated incident detection 3. Design event aggregation and correlation - Design and implement chaos engineering practices 1. Analyze system behavior under failure conditions 2. Design resilience testing strategies 3. Implement fault injection experiments (AWS Fault Injection Simulator)
Topic 5: High Availability and Disaster Recovery	16%	- Design and implement high availability and scalability 1. Implement auto scaling strategies 2. Implement load balancing and traffic management 3. Design multi-AZ and multi-region architectures - Implement data backup and restore strategies 1. Implement validation testing for backups 2. Design point-in-time recovery solutions 3. Implement cross-region replication - Design and implement disaster recovery strategies 1. Implement pilot light and warm standby architectures 2. Implement backup and restore mechanisms 3. Design RTO and RPO based DR solutions 4. Implement multi-region active-active architectures
Topic 6: Configuration Management and Infrastructure as Code	22%	- Design and implement data management strategies 1. Implement data lifecycle management 2. Implement database migration strategies 3. Design backup and recovery solutions - Implement compliance and configuration monitoring 1. Design remediation automation 2. Implement AWS CloudTrail for auditing 3. Use AWS Config for compliance monitoring - Design and implement infrastructure as code 1. Implement modular and reusable infrastructure components 2. Design for scalability and repeatability 3. Develop IaC templates (AWS CloudFormation, Terraform) - Design and implement configuration management 1. Implement AWS Systems Manager for configuration management 2. Design patch management strategies 3. Implement parameter management (AWS Parameter Store, Secrets Manager)

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q173-Q178):

NEW QUESTION # 173
A company has an RPO of 24 hours and an RTO of 10 minutes for a critical web application that runs on Amazon EC2 instances. The company uses AWS Organizations to manage its AWS account. The company wants to set up AWS Backup for its AWS environment.
A DevOps engineer configures AWS Organizations for AWS Backup. The DevOps engineer creates a new centralized AWS account to store the backups. Each EC2 instance has four Amazon Elastic Block Store (Amazon EBS) volumes attached.
Which solution will meet this requirement MOST securely?

A. Create encrypted vaults in both accounts. Use a customer managed KMS key in the source account. Use an AWS managed key in the centralized account. Configure AWS Backup to create EC2 AMIs. Copy the AMIs to the centralized vault.
B. Create encrypted vaults in both accounts by using the source account's AWS KMS key. Configure AWS Backup to create EC2 AMIs. Copy the AMIs to the centralized vault.
C. Create backup vaults in both accounts. Use AWS managed keys for encryption. Configure AWS Backup to create EC2 AMIs. Copy the AMIs to the centralized vault.
D. Create encrypted backup vaults and customer managed AWS KMS keys in both accounts. Configure AWS Backup to create full EC2 backups as AMIs. Copy the backups to the centralized vault.

Answer: D

Explanation:
The question emphasizes "MOST securely" and involves a multi-account backup strategy with a centralized backup account. AWS Backup best practice for high-security environments is to use customer managed KMS keys for encrypting backup vaults rather than AWS managed keys. Customer managed keys provide tighter control over key lifecycle, key policies, and cross-account access.
Option A creates encrypted backup vaults in both the source and centralized accounts, each protected by a customer managed KMS key in that account. AWS Backup is then configured to create full EC2 backups (AMIs) and copy them to the centralized backup vault. This design ensures:
* Encryption at rest in both accounts.
* Independent key control and policies per account.
* Secure cross-account backup copy behavior governed by explicit KMS key grants and vault access policies.
Option B incorrectly uses the source account's KMS key to encrypt vaults in both accounts, which is not the recommended pattern; each account should manage its own CMK. Options C and D rely partially or fully on AWS managed keys, which are less appropriate when the requirement explicitly stresses maximum security and control.
Therefore, Option A best satisfies both the RPO/RTO goals (daily AMI backups with rapid restore) and the strongest encryption posture.

NEW QUESTION # 174
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 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.
B. The target EC2 instances were not properly registered with the CodeDeploy endpoint.
C. The appspec. yml file was not included in the application revision.
D. An instance profile with proper permissions was not attached to the target EC2 instances.
E. The IAM user who triggered the application deployment does not have permission to interact with the CodeDeploy endpoint.

Answer: A,D

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

NEW QUESTION # 175
A company recently migrated its application to an Amazon Elastic Kubernetes Service (Amazon EKS) cluster that uses Amazon EC2 instances. The company configured the application to automatically scale based on CPU utilization.
The application produces memory errors when it experiences heavy loads. The application also does not scale out enough to handle the increased load. The company needs to collect and analyze memory metrics for the application over time.
Which combination of steps will meet these requirements? (Select THREE.)

A. Analyze the node_memory_utilization Amazon CloudWatch metric in the Containerlnsights namespace by using the ClusterName dimension.
B. Collect performance metrics by deploying the unified Amazon CloudWatch agent to the existing EC2 instances in the cluster. Add the agent to the AMI for any new EC2 instances that are added to the cluster.
C. Attach the Cloud WatchAgentServer Pol icy managed 1AM policy to a service account role for the cluster.
D. Collect performance logs by deploying the AWS Distro for OpenTelemetry collector as a DaemonSet.
E. Attach the Cloud WatchAgentServer Pol icy managed 1AM policy to the 1AM instance profile that the cluster uses.
F. Analyze the pod_memory_utilization Amazon CloudWatch metric in the Containerlnsights namespace by using the Service dimension.

Answer: B,E,F

Explanation:
Step 1: Attaching the CloudWatchAgentServerPolicy to the IAM RoleThe CloudWatch agent needs permissions to collect and send metrics, including memory metrics, to Amazon CloudWatch. You can attach the CloudWatchAgentServerPolicy managed IAM policy to the IAM instance profile or service account role to grant these permissions.
* Action:Attach the CloudWatchAgentServerPolicy managed IAM policy to the IAM instance profile that the EKS cluster uses.
* Why:This ensures the CloudWatch agent has the necessary permissions to collect memory metrics.

NEW QUESTION # 176
A company uses a single AWS account lo test applications on Amazon EC2 instances. The company has turned on AWS Config in the AWS account and has activated the restricted-ssh AWS Config managed rule.
The company needs an automated monitoring solution that will provide a customized notification in real time if any security group in the account is not compliant with the restricted-ssh rule. The customized notification must contain the name and ID of the noncompliant security group.
A DevOps engineer creates an Amazon Simple Notification Service (Amazon SNS) topic in the account and subscribes the appropriate personnel to the topic.
What should me DevOps engineer do next to meet these requirements?

A. Create an Amazon EventBridge rule that matches all AWS Config evaluation results of NON_COMPLIANT Configure an input transformer for the restricted-ssh rule Configure the EventBridge rule to publish a notification to the SNS topic.
B. Create an Amazon EventBridge rule that matches an AWS Config evaluation result of NON_COMPLlANT for the restricted-ssh rule Configure the EventBridge rule to invoke AWS Systems Manager Run Command on the SNS topic to customize a notification and to publish the notification to the SNS topic
C. Configure AWS Config to send all evaluation results for the restricted-ssh rule to the SNS topic. Configure a filter policy on the SNS topic to send only notifications that contain the text of NON_COMPLIANT in the notification to subscribers.
D. Create an Amazon EventBridge rule that matches an AWS Config evaluation result of NON_COMPLIANT tor the restricted-ssh rule. Configure an input transformer for the EventBridge rule Configure the EventBridge rule to publish a notification to the SNS topic.

Answer: D

Explanation:
Create an Amazon EventBridge (Amazon CloudWatch Events) rule that matches an AWS Config evaluation result of NON_COMPLIANT for the restricted-ssh rule. Configure an input transformer for the EventBridge (CloudWatch Events) rule. Configure the EventBridge (CloudWatch Events) rule to publish a notification to the SNS topic. This approach uses Amazon EventBridge (previously known as Amazon CloudWatch Events) to filter AWS Config evaluation results based on the restricted-ssh rule and its compliance status (NON_COMPLIANT). An input transformer can be used to customize the information contained in the notification, such as the name and ID of the noncompliant security group. The EventBridge (CloudWatch Events) rule can then be configured to publish a notification to the SNS topic, which will notify the appropriate personnel in real-time.

NEW QUESTION # 177
A company requires its developers to tag all Amazon Elastic Block Store (Amazon EBS) volumes in an account to indicate a desired backup frequency. This requirement Includes EBS volumes that do not require backups. The company uses custom tags named Backup_Frequency that have values of none, dally, or weekly that correspond to the desired backup frequency. An audit finds that developers are occasionally not tagging the EBS volumes.
A DevOps engineer needs to ensure that all EBS volumes always have the Backup_Frequency tag so that the company can perform backups at least weekly unless a different value is specified.
Which solution will meet these requirements?

A. Set up AWS Config in the account. Create a custom rule that returns a compliance failure for all Amazon EC2 resources that do not have a Backup Frequency tag applied. Configure a remediation action that uses a custom AWS Systems Manager Automation runbook to apply the Backup_Frequency tag with a value of weekly.
B. Set up AWS Config in the account. Use a managed rule that returns a compliance failure for EC2::Volume resources that do not have a Backup Frequency tag applied. Configure a remediation action that uses a custom AWS Systems Manager Automation runbook to apply the Backup_Frequency tag with a value of weekly.
C. Turn on AWS CloudTrail in the account. Create an Amazon EventBridge rule that reacts to EBS CreateVolume events. Configure a custom AWS Systems Manager Automation runbook to apply the Backup_Frequency tag with a value of weekly. Specify the runbook as the target of the rule.
D. Turn on AWS CloudTrail in the account. Create an Amazon EventBridge rule that reacts to EBS CreateVolume events or EBS ModifyVolume events. Configure a custom AWS Systems Manager Automation runbook to apply the Backup_Frequency tag with a value of weekly. Specify the runbook as the target of the rule.

Answer: B

NEW QUESTION # 178
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