Amazon DOP-C02関連合格問題: AWS Certified DevOps Engineer - Professional - Tech4Exam役立つヒントと質問

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Amazon DOP-C02 Exam Syllabus Topics:

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

>> DOP-C02関連合格問題 <<

信頼的DOP-C02｜ハイパスレートのDOP-C02関連合格問題試験｜試験の準備方法AWS Certified DevOps Engineer - Professional資格問題集

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Amazon AWS Certified DevOps Engineer - Professional 認定 DOP-C02 試験問題 (Q437-Q442):

質問 # 437
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?

A. Create an IAM policy that allows the developers to provision the required resources. Attach the policy to the developer IAM role.
B. Create an AWS CloudFormation service role that has the required permissions. Grant the developer IAM role the iam:PassRole permission. Use the new service role during stack deployments.
C. Create an IAM policy that allows full access to AWS CloudFormation. Attach the policy to the developer IAM role.
D. Create an AWS CloudFormation service role that has the required permissions. Grant the developer IAM role a cloudformation:* action. Use the new service role during stack deployments.

正解：B

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

質問 # 438
A company runs a web application that extends across multiple Availability Zones. The company uses an Application Load Balancer (ALB) for routing. AWS Fargate (or the application and Amazon Aurora for the application data The company uses AWS CloudFormation templates to deploy the application The company stores all Docker images in an Amazon Elastic Container Registry (Amazon ECR) repository in the same AWS account and AWS Region.
A DevOps engineer needs to establish a disaster recovery (DR) process in another Region. The solution must meet an RPO of 8 hours and an RTO of 2 hours The company sometimes needs more than 2 hours to build the Docker images from the Dockerfile Which solution will meet the RTO and RPO requirements MOST cost-effectively?

A. Copy the CloudFormation templates and the Dockerfile to an Amazon S3 bucket in the DR Region Use AWS Backup to configure automated Aurora cross-Region hourly snapshots In case of DR, build the most recent Docker image and upload the Docker image to an ECR repository in the DR Region Use the CloudFormation template that has the most recent Aurora snapshot and the Docker image from the ECR repository to launch a new CloudFormation stack in the DR Region Update the application DNS records to point to the new ALB
B. Copy the CloudFormation templates to an Amazon S3 bucket in the DR Region Configure Aurora automated backup Cross-Region Replication Configure ECR Cross-Region Replication. In case of DR use the CloudFormation template with the most recent Aurora snapshot and the Docker image from the local ECR repository to launch a new CloudFormation stack in the DR Region Update the application DNS records to point to the new ALB
C. Copy the CloudFormation templates to an Amazon S3 bucket in the DR Region. Use Amazon EventBridge to schedule an AWS Lambda function to take an hourly snapshot of the Aurora database and of the most recent Docker image in the ECR repository. Copy the snapshot and the Docker image to the DR Region in case of DR, use the CloudFormation template with the most recent Aurora snapshot and the Docker image from the local ECR repository to launch a new CloudFormation stack in the DR Region
D. Copy the CloudFormation templates to an Amazon S3 bucket in the DR Region. Deploy a second application CloudFormation stack in the DR Region. Reconfigure Aurora to be a global database Update both CloudFormation stacks when a new application release in the current Region is needed. In case of DR. update, the application DNS records to point to the new ALB.

正解：B

解説：
The most cost-effective solution to meet the RTO and RPO requirements is option B. This option involves copying the CloudFormation templates to an Amazon S3 bucket in the DR Region, configuring Aurora automated backup Cross-Region Replication, and configuring ECR Cross-Region Replication. In the event of a disaster, the CloudFormation template with the most recent Aurora snapshot and the Docker image from the local ECR repository can be used to launch a new CloudFormation stack in the DR Region. This approach avoids the need to build Docker images from the Dockerfile, which can sometimes take more than 2 hours, thus meeting the RTO requirement. Additionally, the use of automated backups and replication ensures that the RPO of 8 hours is met.
References:
* AWS Documentation on Disaster Recovery: Plan for Disaster Recovery (DR) - Reliability Pillar
* AWS Blog on Establishing RPO and RTO Targets: Establishing RPO and RTO Targets for Cloud Applications
* AWS Documentation on ECR Cross-Region Replication: Amazon ECR Cross-Region Replication
* AWS Documentation on Aurora Cross-Region Replication: Replicating Amazon Aurora DB Clusters Across AWS Regions

質問 # 439
A company has proprietary data available by using an Amazon CloudFront distribution. The company needs to ensure that the distribution is accessible by only users from the corporate office that have a known set of IP address ranges. An AWS WAF web ACL is associated with the distribution and has a default action set to Count.
Which solution will meet these requirements with the LEAST operational overhead?

A. Create a new regex pattern set. Add the regex pattern set to a new rule group. Set the default action on the existing web ACL to Allow. Add a rule that has priority 0 that allows traffic based on the regex pattern set.
B. Create an AWS WAF IP address set that matches the corporate office IP address range. Create a new web ACL that has a default action set to Allow. Associate the web ACL with the CloudFront distribution. Add a rule that allows traffic from the IP address set.
C. Create a new regex pattern set. Add the regex pattern set to a new rule group. Create a new web ACL that has a default action set to Block. Associate the web ACL with the CloudFront distribution. Add a rule that allows traffic based on the new rule group.
D. Create a WAF IP address set that matches the corporate office IP address range. Set the default action on the existing web ACL to Block. Add a rule that has priority 0 that allows traffic from the IP address set.

正解：D

解説：
To restrict access to CloudFront to a specific IP address range:
* Create an AWS WAF IP address set with the corporate office IPs.
* Modify the existing WebACL ' s default action to Block (deny all except explicitly allowed).
* Add a high-priority rule that allows traffic from the IP address set (the corporate IPs). This way, only requests from the corporate IPs are allowed; all others are blocked. Regex pattern sets are not necessary for IP-based restrictions and add complexity. Setting default action to Allow with exceptions is less secure and more complex to manage.
References:
AWS WAF IP Set Examples
Restricting Access by IP Address

質問 # 440
A company is migrating its product development teams from an on-premises data center to a hybrid environment. The new environment will add four AWS Regions and will give the developers the ability to use the Region that is geographically closest to them.
All the development teams use a shared set of Linux applications. The on-premises data center stores the applications on a NetApp ONTAP storage device. The storage volume is mounted read-only on the development on-premises VMs. The company updates the applications on the shared volume once a week.
A DevOps engineer needs to replicate the data to all the new Regions. The DevOps engineer must ensure that the data is always up to date with deduplication. The data also must not be dependent on the availability of the on-premises storage device.
Which solution will meet these requirements?

A. Create Multi-AZ Amazon FSx for NetApp ONTAP instances and volumes in each Region. Configure a scheduled SnapMirror relationship between the on-premises storage device and the FSx for ONTAP instances.
B. Create an Amazon FSx File Gateway in one Region. Create file servers in Amazon FSx for Windows File Server in each Region. Set up a cron job to copy the data from the storage device to the FSx File Gateway.
C. Create an Amazon S3 File Gateway in the on-premises data center. Create S3 buckets in each Region.
Set up a cron job to copy the data from the storage device to the S3 File Gateway. Set up S3 Cross- Region Replication (CRR) to the S3 buckets in each Region.
D. Create an Amazon Elastic File System (Amazon EFS) file system in each Region. Deploy an AWS DataSync agent in the on-premises data center. Configure a schedule for DataSync to copy the data to Amazon EFS daily.

正解：A

解説：
Comprehensive and Detailed Explanation From Exact Extract of DevOps Engineer documents only:
Amazon FSx for NetApp ONTAP provides NetApp ONTAP features in AWS, including SnapMirror replication and storage efficiencies like deduplication and compression. Create FSx for ONTAP in each Region and use SnapMirror from on-prem ONTAP to each Region for efficient, incremental replication.
Regions can serve data independently of on-prem availability once replicated.

質問 # 441
A company needs to increase the security of the container images that run in its production environment. The company wants to integrate operating system scanning and programming language package vulnerability scanning for the containers in its CI/CD pipeline. The CI/CD pipeline is an AWS CodePipeline pipeline that includes an AWS CodeBuild project, AWS CodeDeploy actions, and an Amazon Elastic Container Registry (Amazon ECR) repository.
A DevOps engineer needs to add an image scan to the CI/CD pipeline. The CI/CD pipeline must deploy only images without CRITICAL and HIGH findings into production.
Which combination of steps will meet these requirements? (Select TWO.)

A. Configure an Amazon EventBridge rule to invoke an AWS Lambda function when the image scan is completed. Configure the Lambda function to consume the Amazon Inspector scan status and to submit an Approved or Rejected status to the CI/CD pipeline.
B. Configure Amazon ECR to submit a Rejected status to the CI/CD pipeline when the image scan returns CRITICAL or HIGH findings.
C. Configure an Amazon EventBridge rule to invoke an AWS Lambda function when the image scan is completed. Configure the Lambda function to consume the Clair scan status and to submit an Approved or Rejected status to the CI/CD pipeline.
D. Use Amazon ECR enhanced scanning.
E. Use Amazon ECR basic scanning.

正解：A、D

解説：
Comprehensive and Detailed Explanation From Exact Extract:
Amazon ECR supports enhanced scanning powered by Amazon Inspector, which provides deeper security scanning for container images including OS and programming language package vulnerabilities.
Enabling enhanced scanning (Option B) allows detection of CRITICAL and HIGH vulnerabilities.
Amazon ECR emits scan completion events via EventBridge, which can trigger Lambda functions. The Lambda function can process the scan results from Amazon Inspector and programmatically approve or reject the image in the CI/CD pipeline (Option D).
Basic scanning (Option A) is limited and does not integrate with Inspector.
Options C and E describe functionalities not natively supported (ECR does not automatically submit Rejected status; Clair is not used in AWS ECR scanning).
Reference:
Amazon ECR Enhanced Scanning:
"Enhanced scanning powered by Amazon Inspector identifies vulnerabilities in container images." (Amazon ECR Image Scanning) Using EventBridge and Lambda for Scan Status:
"ECR emits scan events that can be used to trigger Lambda functions for custom approval workflows." (Amazon ECR Scan EventBridge)

質問 # 442
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