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AWS-Developerの認定試験に備えるには、EC2、S3、RDS、DynamoDBなどのAWSサービスや機能についての堅固な理解が必要です。また、AWS SDK、AWS CLI、AWS CloudFormationの使用経験があることが望ましいです。さらに、Java、Python、Rubyなどのプログラミング言語の知識が必要です。

>> AWS-Certified-Developer-Associateシュミレーション問題集 <<

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Amazon AWS Certified Developer Associate Exam (DVA-C02) 認定 AWS-Certified-Developer-Associate 試験問題 (Q286-Q291):

質問 # 286
A team of developed is using an AWS CodePipeline pipeline as a continuous integration and continuous delivery (CI/CD) mechanism for a web application. A developer has written unit tests to programmatically test the functionality of the application code. The unit tests produce a test report that shows the results of each individual check. The developer now wants to run these tests automatically during the CI/CD process.

A. Add a new stage to the pipeline. Use Jenkins as the provider. Configure CodePipeline to use Jenkins to run the unit tests. Write a Jenkinsfile that fails the stage if any test does not pass. Use the test report plugin for Jenkins to integrate the repot with the Jenkins dashboard. View the test results in Jenkins.Resolve any issues.
B. Add a new stage to the pipeline. Use AWS CodeBuild at the provider. Add the new stage before the stage that deploys code revisions to the test environment. Write a buildspec that fails the CodeBuild stage it any test does not pass. Use the test reports feature of CodeBuild to integrate the report with the CodeBuild console. View the test results in codeBuild Resolve any issues.
C. Write a Git pre-commit hook that runs the test before every commit. Ensure that each developer who is working on the project has the pre-commit hook instated locally. Review the test report and resolve any issues before pushing changes to AWS CodeCommit.
D. Add a new stage to the pipeline. Use AWS CodeBuild as the provider. Add the new stage after the stage that deploys code revisions to the test environment. Write a buildspec that fails the CodeBuild stage if any test does not pass. Use the test reports feature of Codebuild to integrate the report with the CodoBuild console. View the test results in CodeBuild Resolve any issues.

正解：B

解説：
The solution that will meet the requirements is to add a new stage to the pipeline. Use AWS CodeBuild as the provider. Add the new stage before the stage that deploys code revisions to the test environment. Write a buildspec that fails the CodeBuild stage if any test does not pass. Use the test reports feature of CodeBuild to integrate the report with the CodeBuild console. View the test results in CodeBuild. Resolve any issues. This way, the developer can run the unit tests automatically during the CI/CD process and catch any bugs before deploying to the test environment. The developer can also use the test reports feature of CodeBuild to view and analyze the test results in a graphical interface. The other options either involve running the tests manually, running them after deployment, or using a different provider that requires additional configuration and integration.
Reference: Test reports for CodeBuild

質問 # 287
A current architecture uses many Lambda functions invoking one another as large state machine.
The coordination of this state machine is legacy custom code that breaks easily.
Which AWS Service can help refactor and manage the state machine?

A. AWS Step Functions
B. AWS SNS with AWS SQS
C. Amazon Elastic MapReduce
D. AWS Data Pipeline

正解：A

質問 # 288
A user is using an EBS backed instance. Which of the below mentioned statements is true?

A. The user will not be charged for the volume if the instance is stopped
B. The user will be charged for volume and instance only when the instance is running
C. The user will be charged for the volume even if the instance is stopped
D. The user will be charged only for the instance running cost

正解：C

解説：
If a user has launched an EBS backed instance, the user will be charged for the EBS volume even though
the instance is in a stopped state. The instance will be charged for the EC2 hourly cost only when it is
running.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-detaching-volume.html

質問 # 289
A company requires that all applications running on Amazon EC2 use 1AM roles to gam access to AWS services. A developer is modifying an application that currently relies on 1AM user access keys stored in environment variables to access Amazon DynamoDB tables using boto, the AWS SDK for Python.
The developer associated a role with the same permissions as the 1AM user to the EC2 instance, then deleted the 1AM user. When the application was restarted, the AWS Access Denied Exception messages started appearing in the application logs. The developer was able to use their personal account on the server to run DynamoDB API commands using the AWS CLI.
What is the MOST likely cause of the exception?

A. The AWS SDK does not support credentials obtained using an instance role.
B. The instance's security group does not allow access to http://169.254.169.254.
C. Disabled environment variable credentials are still being used by the application.
D. 1AM policies might take a few minutes to propagate to resources.

正解：C

質問 # 290
A developer is creating a role to access Amazon S3 buckets. To create the role, the developer uses the AWS CLI create-role command.
Which policy should be added to allow the Amazon EC2 service to assume the role?

A. Service control policy (SCP)
B. Managed policy
C. Inline policy
D. Trust policy

正解：D

質問 # 291
......

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AWS-Certified-Developer-Associate試験の準備方法｜認定するAWS-Certified-Developer-Associateシュミレーション問題集試験｜最新のAWS Certified Developer Associate Exam (DVA-C02)対策学習

AWS-Certified-Developer-Associate学習教材を購入し、しばらくの間辛抱強く学習すれば、わずかな失敗確率でAWS-Certified-Developer-Associateテストに合格することを保証できます、その上、あなたはあなたの会社のために注文します、だから、あなたの使用しているAmazonのAWS-Certified-Developer-Associate試験のソフトウェアは、最新かつ最も全面的な問題集を確認することができます。

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