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Amazon DOP-C02 Exam Syllabus Topics:

SectionWeightObjectives
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 tagging policies and resource grouping
  • 2. Design cost optimization through policies
  • 3. Implement approval workflows and automation
Monitoring and Logging12%- Design and implement alerting and incident management
  • 1. Implement automated incident response
  • 2. Design runbook automation
  • 3. Create alarm notification strategies
- 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
High Availability and Disaster Recovery16%- 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
- Implement data backup and restore strategies
  • 1. Design point-in-time recovery solutions
  • 2. Implement cross-region replication
  • 3. Implement validation testing for backups
- 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
SDLC Automation22%- Design and implement CI/CD pipelines
  • 1. Determine appropriate CI/CD pipeline architecture
  • 2. Develop CI/CD pipelines considering testing and security requirements
  • 3. Design failure handling strategies
  • 4. Implement deployment strategies (blue-green, canary, rolling)
- 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. Integrate security scanning and compliance checks
  • 2. Implement build environments (isolated, reproducible)
  • 3. Design test automation frameworks
Incident and Event Response18%- Design and implement chaos engineering practices
  • 1. Design resilience testing strategies
  • 2. Analyze system behavior under failure conditions
  • 3. Implement fault injection experiments (AWS Fault Injection Simulator)
- Design and implement event and incident management
  • 1. Implement automated response playbooks
  • 2. Implement automated incident detection
  • 3. Design event aggregation and correlation
Configuration Management and Infrastructure as Code22%- 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)
- 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. Design patch management strategies
  • 2. Implement AWS Systems Manager for configuration management
  • 3. Implement parameter management (AWS Parameter Store, Secrets Manager)
- Design and implement data management strategies
  • 1. Implement data lifecycle management
  • 2. Implement database migration strategies
  • 3. Design backup and recovery solutions

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q157-Q162):

NEW QUESTION # 157
A company has many applications. Different teams in the company developed the applications by using multiple languages and frameworks. The applications run on premises and on different servers with different operating systems. Each team has its own release protocol and process. The company wants to reduce the complexity of the release and maintenance of these applications.
The company is migrating its technology stacks, including these applications, to AWS. The company wants centralized control of source code, a consistent and automatic delivery pipeline, and as few maintenance tasks as possible on the underlying infrastructure.
What should a DevOps engineer do to meet these requirements?

Answer: D

Explanation:
because of "as few maintenance tasks as possible on the underlying infrastructure". Fargate does that better than "one centralized application server"


NEW QUESTION # 158
A company has deployed a critical application in two AWS Regions. The application uses an Application Load Balancer (ALB) in both Regions. The company has Amazon Route 53 alias DNS records for both ALBs.
The company uses Amazon Route 53 Application Recovery Controller to ensure that the application can fail over between the two Regions. The Route 53 ARC configuration includes a routing control for both Regions.
The company uses Route 53 ARC to perform quarterly disaster recovery (DR) tests.
During the most recent DR test, a DevOps engineer accidentally turned off both routing controls. The company needs to ensure that at least one routing control is turned on at all times.
Which solution will meet these requirements?

Answer: B

Explanation:
Explanation
The correct solution is to create a new assertion safety rule in Route 53 ARC and apply it to the two routing controls. An assertion safety rule is a type of safety rule that ensures that a minimum number of routing controls are always enabled. The ATLEAST type of assertion safety rule specifies the minimum number of routing controls that must be enabled for the rule to evaluate as healthy. By setting the threshold to 1, the rule ensures that at least one routing control is always turned on. This prevents the scenario where both routing controls are accidentally turned off and the application becomes unavailable in both Regions.
The other solutions are incorrect because they do not use safety rules to prevent both routing controls from being turned off. A gating safety rule is a type of safety rule that prevents routing control state changes that violate the rule logic. The OR type of gating safety rule specifies that one or more routing controls must be enabled for the rule to evaluate as healthy. However, this rule does not prevent a user from turning off both routing controls manually. A resource set is a collection of resources that are tested for readiness by Route 53 ARC. A readiness check is a test that verifies that all the resources in a resource set are operational. However, these concepts are not related to routing control states or safety rules. Therefore, creating a new resource set and a new readiness check will not ensure that at least one routing control is turned on at all times. References:
* Routing control in Amazon Route 53 Application Recovery Controller
* Viewing and updating routing control states in Route 53 ARC
* Creating a control panel in Route 53 ARC
* Creating safety rules in Route 53 ARC


NEW QUESTION # 159
A company that uses electronic patient health records runs a fleet of Amazon EC2 instances with an Amazon Linux operating system. The company must continuously ensure that the EC2 instances are running operating system patches and application patches that are in compliance with current privacy regulations. The company uses a custom repository to store application patches.
A DevOps engineer needs to automate the deployment of operating system patches and application patches.
The DevOps engineer wants to use both the default operating system patch repository and the custom patch repository.
Which solution will meet these requirements with the LEAST effort?

Answer: C

Explanation:
The operating system (Amazon Linux) uses yum for package management. To use both the default and a custom repository, the simplest method is to add the custom repository configuration file under /etc/yum.repos.
d/ using the yum-config-manager CLI, and enable it. This allows the system to access both repositories during patching automatically.
This approach requires minimal setup and effort and leverages the existing yum patching mechanisms.
Option A and D involve managing multiple patch baselines in Systems Manager Patch Manager, which does not natively support custom repositories - it relies on the underlying OS package manager.
Option B (Direct Connect) is not necessary unless network connectivity is an issue.
Thus, option C meets the requirement with the least effort.
Reference:
Managing Custom Repositories on Amazon Linux: " To add a custom yum repository, add a repo file in /etc
/yum.repos.d/ and enable it using yum-config-manager. " (Amazon Linux Repository Management) AWS Systems Manager Patch Manager: " Patch Manager uses the OS package manager, so custom repositories must be configured at the OS level. " (AWS Patch Manager)


NEW QUESTION # 160
A company has deployed an application in a single AWS Region. The application backend uses Amazon DynamoDB tables and Amazon S3 buckets.
The company wants to deploy the application in a secondary Region. The company must ensure that the data in the DynamoDB tables and the S3 buckets persists across both Regions. The data must also immediately propagate across Regions.
Which solution will meet these requirements with the MOST operational efficiency?

Answer: A

Explanation:
The company needs multi-Region data persistence with immediate propagation and minimal operational overhead. For S3, the correct mechanism is S3 replication (Cross-Region Replication or Same-Region Replication), which continuously and asynchronously replicates new objects as they are written. Configuring two-way replication between the primary and secondary Region buckets ensures that objects written in either Region are replicated to the other automatically without custom code.
For DynamoDB, the native solution for multi-Region replication is DynamoDB global tables. Global tables provide multi-master, multi-Region replication with low-latency reads and writes in each Region and automatic propagation of changes. Converting existing tables into global tables and adding the secondary Region as a replica gives immediate, managed cross-Region replication with minimal maintenance.
Option A combines these two fully managed features: two-way S3 replication and DynamoDB global tables.
This yields the highest operational efficiency.
Options B, C, and D rely on S3 Batch Operations or DynamoDB Streams + Lambda to manually copy data cross-Region. These approaches add complexity, custom code, and operational risk, and they are less suitable when AWS provides managed replication mechanisms specifically designed for this purpose.
Therefore, Option A is the correct and most efficient solution.


NEW QUESTION # 161
A company has a single AWS account that runs hundreds of Amazon EC2 instances in a single AWS Region. New EC2 instances are launched and terminated each hour in the account. The account also includes existing EC2 instances that have been running for longer than a week.
The company's security policy requires all running EC2 instances to use an EC2 instance profile. If an EC2 instance does not have an instance profile attached, the EC2 instance must use a default instance profile that has no IAM permissions assigned.
A DevOps engineer reviews the account and discovers EC2 instances that are running without an instance profile. During the review, the DevOps engineer also observes that new EC2 instances are being launched without an instance profile.
Which solution will ensure that an instance profile is attached to all existing and future EC2 instances in the Region?

Answer: B

Explanation:
https://docs.aws.amazon.com/config/latest/developerguide/ec2-instance-profile-attached.html


NEW QUESTION # 162
......

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