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Amazon DOP-C02 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: SDLC Automation22%- Design and implement CI/CD pipelines
  • 1. Determine appropriate CI/CD pipeline architecture
  • 2. Implement deployment strategies (blue-green, canary, rolling)
  • 3. Design failure handling strategies
  • 4. Develop CI/CD pipelines considering testing and security requirements
- Design and implement source code management strategies
  • 1. Determine branching strategies
  • 2. Design code review and approval processes
  • 3. Implement repository configurations and hooks
- Design build and test environments
  • 1. Integrate security scanning and compliance checks
  • 2. Implement build environments (isolated, reproducible)
  • 3. Design test automation frameworks
Topic 2: Policies and Standards Automation10%- Design and implement governance strategies
  • 1. Implement tagging policies and resource grouping
  • 2. Implement approval workflows and automation
  • 3. Design cost optimization through policies
- 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
Topic 3: 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 response playbooks
  • 2. Implement automated incident detection
  • 3. Design event aggregation and correlation
Topic 4: Configuration Management and Infrastructure as Code22%- Implement compliance and configuration monitoring
  • 1. Implement AWS CloudTrail for auditing
  • 2. Use AWS Config for compliance monitoring
  • 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 data management strategies
  • 1. Implement database migration strategies
  • 2. Design backup and recovery solutions
  • 3. Implement data lifecycle management
- Design and implement infrastructure as code
  • 1. Develop IaC templates (AWS CloudFormation, Terraform)
  • 2. Design for scalability and repeatability
  • 3. Implement modular and reusable infrastructure components
Topic 5: 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
Topic 6: High Availability and Disaster Recovery16%- 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
- Design and implement disaster recovery strategies
  • 1. Implement multi-region active-active architectures
  • 2. Implement pilot light and warm standby architectures
  • 3. Implement backup and restore mechanisms
  • 4. Design RTO and RPO based DR solutions

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q194-Q199):

NEW QUESTION # 194
A company has 20 service learns Each service team is responsible for its own microservice. Each service team uses a separate AWS account for its microservice and a VPC with the 192 168 0 0/22 CIDR block. The company manages the AWS accounts with AWS Organizations.
Each service team hosts its microservice on multiple Amazon EC2 instances behind an Application Load Balancer. The microservices communicate with each other across the public internet. The company's security team has issued a new guideline that all communication between microservices must use HTTPS over private network connections and cannot traverse the public internet.
A DevOps engineer must implement a solution that fulfills these obligations and minimizes the number of changes for each service team.
Which solution will meet these requirements?

Answer: C

Explanation:
Explanation
https://aws.amazon.com/blogs/networking-and-content-delivery/connecting-networks-with-overlapping-ip-range Private link is the best option because Transit Gateway doesn't support overlapping CIDR ranges.


NEW QUESTION # 195
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?

Answer: D

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 # 196
A company is launching an application. The application must use only approved AWS services. The account that runs the application was created less than 1 year ago and is assigned to an AWS Organizations OU.
The company needs to create a new Organizations account structure. The account structure must have an appropriate SCP that supports the use of only services that are currently active in the AWS account.
The company will use AWS Identity and Access Management (IAM) Access Analyzer in the solution.
Which solution will meet these requirements?

Answer: C

Explanation:
To meet the requirements of creating a new Organizations account structure with an appropriate SCP that supports the use of only services that are currently active in the AWS account, the company should use the following solution:
Create an SCP that allows the services that IAM Access Analyzer identifies. IAM Access Analyzer is a service that helps identify potential resource-access risks by analyzing resource-based policies in the AWS environment. IAM Access Analyzer can also generate IAM policies based on access activity in the AWS CloudTrail logs. By using IAM Access Analyzer, the company can create an SCP that grants only the permissions that are required for the application to run, and denies all other services. This way, the company can enforce the use of only approved AWS services and reduce the risk of unauthorized access12 Create an OU for the account. Move the account into the new OU. An OU is a container for accounts within an organization that enables you to group accounts that have similar business or security requirements. By creating an OU for the account, the company can apply policies and manage settings for the account as a group. The company should move the account into the new OU to make it subject to the policies attached to the OU3 Attach the new SCP to the new OU. Detach the default FullAWSAccess SCP from the new OU. An SCP is a type of policy that specifies the maximum permissions for an organization or organizational unit (OU). By attaching the new SCP to the new OU, the company can restrict the services that are available to all accounts in that OU, including the account that runs the application. The company should also detach the default FullAWSAccess SCP from the new OU, because this policy allows all actions on all AWS services and might override or conflict with the new SCP45 The other options are not correct because they do not meet the requirements or follow best practices. Creating an SCP that denies the services that IAM Access Analyzer identifies is not a good option because it might not cover all possible services that are not approved or required for the application. A deny policy is also more difficult to maintain and update than an allow policy. Creating an SCP that allows the services that IAM Access Analyzer identifies and attaching it to the organization's root is not a good option because it might affect other accounts and OUs in the organization that have different service requirements or approvals.
Creating an SCP that allows the services that IAM Access Analyzer identifies and attaching it to the management account is not a valid option because SCPs cannot be attached directly to accounts, only to OUs or roots.
1: Using AWS Identity and Access Management Access Analyzer - AWS Identity and Access Management
2: Generate a policy based on access activity - AWS Identity and Access Management
3: Organizing your accounts into OUs - AWS Organizations
4: Service control policies - AWS Organizations
5: How SCPs work - AWS Organizations


NEW QUESTION # 197
A company releases a new application in a new AWS account. The application includes an AWS Lambda function that processes messages from an Amazon Simple Queue Service (Amazon SOS) standard queue. The Lambda function stores the results in an Amazon S3 bucket for further downstream processing. The Lambda function needs to process the messages within a specific period of time after the messages are published. The Lambda function has a batch size of 10 messages and takes a few seconds to process a batch of messages.
As load increases on the application's first day of service, messages in the queue accumulate at a greater rate than the Lambda function can process the messages. Some messages miss the required processing timelines.
The logs show that many messages in the queue have data that is not valid. The company needs to meet the timeline requirements for messages that have valid data.
Which solution will meet these requirements?

Answer: C

Explanation:
Step 1: Handling Invalid Data with Failed Batch ItemsThe Lambda function is processing batches of messages, and some messages contain invalid data, causing processing delays. Lambda provides the capability to report failed batch items, which allows valid messages to be processed while skipping invalid ones. This functionality ensures that the valid messages are processed within the required timeline.
Action: Keep the Lambda function's batch size the same and configure it to report failed batch items.
Why: By reporting failed batch items, the Lambda function can skip invalid messages and continue processing valid ones, ensuring that they meet the processing timeline.
Reference: AWS documentation on Lambda batch item failure handling.
Step 2: Using an SQS Dead-Letter Queue (DLQ)Configuring a dead-letter queue (DLQ) for SQS will ensure that messages with invalid data, or those that cannot be processed successfully, are moved to the DLQ. This prevents such messages from clogging the queue and allows the system to focus on processing valid messages.
Action: Configure an SQS dead-letter queue for the main queue.
Why: A DLQ helps isolate problematic messages, preventing them from continuously reappearing in the queue and causing processing delays for valid messages.
Reference: AWS documentation on Amazon SQS Dead-Letter Queues.
Step 3: Maintaining the Lambda Function's Batch SizeKeeping the current batch size allows the Lambda function to continue processing multiple messages at once. By addressing the failed items separately, there's no need to increase or reduce the batch size.
Action: Maintain the Lambda function's current batch size.
Why: Changing the batch size is unnecessary if the invalid messages are properly handled by reporting failed items and using a DLQ.
This corresponds to Option D: Keep the Lambda function's batch size the same. Configure the Lambda function to report failed batch items. Configure an SQS dead-letter queue.


NEW QUESTION # 198
A company uses an organization in AWS Organizations to manage multiple AWS accounts. The company has enabled all features for the organization. The member accounts under one OU contain S3 buckets that store sensitive data.
A DevOps engineer wants to ensure that only IAM principals from within the organization can access the S3 buckets in the OU.
Which solution will meet this requirement?

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
To restrict access to S3 buckets so that only IAM principals from within the AWS Organization can access them, an SCP (Service Control Policy) with conditions using the aws:PrincipalAccount or preferably aws:PrincipalOrgID can be applied at the OU level.
SCPs restrict the maximum permissions for IAM entities in member accounts and can be used to enforce access control policies across accounts.
The aws:PrincipalAccount condition restricts access to principals from specific accounts, while aws:PrincipalOrgID restricts based on the organization ID.
IAM permissions boundaries (Option B) cannot be applied organization-wide and do not enforce restrictions across accounts.
AWS RAM (Option C) is for sharing resources but does not restrict S3 bucket access based on organizational principals.
There is no such thing as an RCP in AWS Organizations (Option D is invalid).
Reference:
AWS Organizations SCPs with Conditions:
"Use SCPs with aws:PrincipalOrgID to restrict resource access to principals in your organization." (AWS Organizations SCP Conditions) S3 Bucket Policy Conditions for Organization:
"Use the aws:PrincipalOrgID condition key in S3 bucket policies to restrict access to members of your organization." (S3 Bucket Policy Examples)


NEW QUESTION # 199
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