Amazon DOP-C02日本語、DOP-C02復習攻略問題

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Amazon DOP-C02 Exam Syllabus Topics:

SectionWeightObjectives
Monitoring and Logging15%- Automate incident response
  • 1. Implement alerting and notification workflows
  • 2. Automate remediation and scaling
  • 3. Set up event-driven actions with Amazon EventBridge
- Implement monitoring solutions
  • 1. Use Amazon CloudWatch for metrics and alarms
  • 2. Monitor infrastructure, applications, and costs
  • 3. Create dashboards and insights
- Implement logging and analysis
  • 1. Use AWS X-Ray for tracing
  • 2. Centralize logs with CloudWatch Logs
  • 3. Analyze logs for troubleshooting and security
Configuration Management and Infrastructure as Code17%- Automate configuration management
  • 1. Maintain consistent configurations
  • 2. Detect and remediate configuration drift
  • 3. Use AWS Systems Manager, Ansible, or Puppet
- Implement infrastructure as code
  • 1. Use AWS CloudFormation, Terraform, or AWS CDK
  • 2. Enforce configuration standards
  • 3. Manage templates and stacks
- Manage infrastructure deployments
  • 1. Provision and update resources automatically
  • 2. Manage multi-account and multi-region environments
  • 3. Implement version control for configurations
SDLC Automation22%- Automate testing and validation
  • 1. Security and compliance testing
  • 2. Automate quality gates
  • 3. Unit, integration, and performance testing
- Implement CI/CD pipelines
  • 1. Use AWS CodePipeline, CodeBuild, CodeDeploy
  • 2. Integrate version control systems
  • 3. Automate build, test, and deployment stages
- Automate software release processes
  • 1. Implement deployment strategies
  • 2. Automate rollback procedures
  • 3. Manage artifacts and dependencies
Incident and Event Response14%- Improve operational processes
  • 1. Implement feedback loops
  • 2. Update runbooks and playbooks
  • 3. Optimize response time and efficiency
- Manage incidents and outages
  • 1. Troubleshoot complex issues
  • 2. Coordinate response and recovery
  • 3. Document and learn from events
- Automate event management
  • 1. Automate common operational tasks
  • 2. Classify and prioritize events
  • 3. Integrate with ticketing and workflow systems
Security, Governance, and Compliance17%- Enforce governance and compliance
  • 1. Implement compliance rules and audits
  • 2. Use AWS Config and AWS Organizations
  • 3. Manage access and permissions at scale
- Automate security and compliance
  • 1. Integrate security into CI/CD pipelines
  • 2. Use AWS Security Hub and AWS Shield
  • 3. Detect and remediate violations automatically
- Implement security controls
  • 1. Secure secrets and credentials
  • 2. Encrypt data at rest and in transit
  • 3. Manage IAM for pipelines and environments
Resilient Cloud Solutions15%- Ensure reliability and scalability
  • 1. Optimize performance and cost
  • 2. Manage capacity and elasticity
  • 3. Design for fault tolerance
- Design high availability architectures
  • 1. Use Route 53 for routing and failover
  • 2. Implement auto scaling and load balancing
  • 3. Multi-AZ and multi-region deployments
- Implement disaster recovery
  • 1. Test and validate recovery plans
  • 2. Pilot light, warm standby, and active-active
  • 3. Backup and restore strategies

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便利なDOP-C02日本語と素晴らしいDOP-C02復習攻略問題

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Amazon AWS Certified DevOps Engineer - Professional 認定 DOP-C02 試験問題 (Q140-Q145):

質問 # 140
A company uses AWS Organizations, AWS Control Tower, AWS Config, and Terraform to manage its AWS accounts and resources. The company must ensure that users deploy only AWS Lambda functions that are connected to a VPC in member AWS accounts.
Which solution will meet these requirements with the LEAST operational effort?

正解：B

解説：
Use a Service Control Policy (SCP) with a Null condition on lambda:VpcIds to deny Lambda function creation or update when not VPC-attached. This enforces compliance across all accounts automatically without manual remediation, aligning with AWS Control Tower governance recommendations.


質問 # 141
A DevOps engineer at a company is migrating a statistical analysis application to AWS. The application allows data scientists to model demographic data by using RStudio. The DevOps engineer will host modeling environments for the application in Amazon Elastic Kubernetes Service (Amazon EKS). The DevOps engineer will use Amazon FSx for Lustre and Amazon S3 to provide backend storage.
The DevOps engineer must design and build an infrastructure as code (IaC) solution to manage the underlying resource configurations. The company uses an organization in AWS Organizations to manage multiple AWS accounts. The DevOps engineer must design a highly portable solution that can facilitate sharing across AWS member accounts.
Which solution will meet these requirements with the LEAST administrative overhead?

正解：C

解説：
CloudFormation modules are the best fit because the requirement is reusable, portable infrastructure configuration that can be shared across multiple AWS member accounts with low administrative overhead.
AWS describes CloudFormation modules as reusable resource configurations that can be included across stack templates in a repeatable and manageable way. This is stronger than nested stacks because modules are designed as standardized building blocks and can be published and versioned through the CloudFormation registry. CDK is powerful, but option A only stores source code and does not provide a registry-based sharing mechanism. AWS SAM is focused on serverless applications and is not the cleanest fit for EKS, FSx for Lustre, and S3 infrastructure patterns.


質問 # 142
A company's DevOps engineer uses AWS Systems Manager to perform maintenance tasks during maintenance windows. The company has a few Amazon EC2 instances that require a restart after notifications from AWS Health. The DevOps engineer needs to implement an automated solution to remediate these notifications. The DevOps engineer creates an Amazon EventBridge rule.
How should the DevOps engineer configure the EventBridge rule to meet these requirements?

正解：A

解説：
AWS Health provides real-time events and information related to your AWS infrastructure. It can be integrated with Amazon EventBridge to act upon the health events automatically. If the maintenance notification from AWS Health indicates that an EC2 instance requires a restart, you can set up an EventBridge rule to respond to such events. In this case, the target of this rule would be a Lambda function that would trigger a Systems Manager automation to restart the EC2 instance during a maintenance window. Remember, AWS Health is the source of the events (not EC2 or Systems Manager), and AWS Lambda can be used to execute complex remediation tasks, such as scheduling maintenance tasks via Systems Manager.
The following are the steps involved in configuring the EventBridge rule to meet these requirements:
* Configure an event source of AWS Health, a service of EC2, and an event type that indicates instance maintenance.
* Target a newly created AWS Lambda function that registers an automation task to restart the EC2 instance during a maintenance window.
The AWS Lambda function will be triggered by the event from AWS Health. The function will then register an automation task to restart the EC2 instance during the next maintenance window.


質問 # 143
A DevOps engineer is designing an application that integrates with a legacy REST API. The application has an AWS Lambda function that reads records from an Amazon Kinesis data stream. The Lambda function sends the records to the legacy REST API.
Approximately 10% of the records that the Lambda function sends from the Kinesis data stream have data errors and must be processed manually. The Lambda function event source configuration has an Amazon Simple Queue Service (Amazon SQS) dead-letter queue as an on-failure destination. The DevOps engineer has configured the Lambda function to process records in batches and has implemented retries in case of failure.
During testing the DevOps engineer notices that the dead-letter queue contains many records that have no data errors and that already have been processed by the legacy REST API. The DevOps engineer needs to configure the Lambda function's event source options to reduce the number of errorless records that are sent to the dead-letter queue.
Which solution will meet these requirements?

正解：C

解説：
Explanation
This solution will meet the requirements because it will reduce the number of errorless records that are sent to the dead-letter queue. When you configure the setting to split the batch when an error occurs, Lambda will retry only the records that caused the error, instead of retrying the entire batch. This way, the records that have no data errors and have already been processed by the legacy REST API will not be retried and sent to the dead-letter queue unnecessarily.
https://docs.aws.amazon.com/lambda/latest/dg/with-kinesis.html


質問 # 144
A company is performing vulnerability scanning for all Amazon EC2 instances across many accounts. The accounts are in an organization in AWS Organizations. Each account's VPCs are attached to a shared transit gateway. The VPCs send traffic to the internet through a central egress VPC. The company has enabled Amazon Inspector in a delegated administrator account and has enabled scanning for all member accounts.
A DevOps engineer discovers that some EC2 instances are listed in the "not scanning" tab in Amazon Inspector.
Which combination of actions should the DevOps engineer take to resolve this issue? (Choose three.)

正解：A、B、E

解説：
https://docs.aws.amazon.com/inspector/latest/user/scanning-ec2.html


質問 # 145
......

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