最新のDVA-C02日本語版と英語版 &合格スムーズDVA-C02予想試験 |一生懸命にDVA-C02復習過去問

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Amazon DVA-C02 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Troubleshooting and Optimization18%- Performance optimization
  • 1. Application performance tuning
    • 2. Fault tolerance and resilience patterns
      - Monitoring and logging
      • 1. Amazon CloudWatch metrics and logs
        Topic 2: Deployment24%- Infrastructure as code
        • 1. AWS CloudFormation templates
          - CI/CD and deployment strategies
          • 1. AWS CodePipeline workflows
            • 2. AWS CodeBuild and CodeDeploy usage
              Topic 3: Development with AWS Services32%- Application development and integration
              • 1. Event-driven architectures with SNS/SQS
                • 2. API Gateway and REST APIs
                  - AWS core services development
                  • 1. AWS Lambda functions development
                    • 2. Amazon DynamoDB integration patterns
                      • 3. Amazon S3 usage in applications
                        Topic 4: Security26%- Application authentication and authorization
                        • 1. Cognito user authentication
                          • 2. IAM roles and policies
                            - Data security
                            • 1. Secure API access patterns
                              • 2. Encryption using AWS KMS

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                                便利-正確的なDVA-C02日本語版と英語版試験-試験の準備方法DVA-C02予想試験

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                                Amazon AWS Certified Developer - Associate 認定 DVA-C02 試験問題 (Q257-Q262):

                                質問 # 257
                                A company has a multi-node Windows legacy application that runs on premises. The application uses a network shared folder as a centralized configuration repository to store configuration files in .xml format. The company is migrating the application to Amazon EC2 instances. As part of the migration to AWS, a developer must identify a solution that provides high availability for the repository.
                                Which solution will meet this requirement MOST cost-effectively?

                                正解：A

                                解説：
                                Amazon S3 is a service that provides highly scalable, durable, and secure object storage. The developer can create an S3 bucket to host the repository and migrate the existing .xml files to the S3 bucket. The developer can update the application code to use the AWS SDK to read and write configuration files from S3. This solution will meet the requirement of high availability for the repository in a cost-effective way.


                                質問 # 258
                                A developer is troubleshooting an application mat uses Amazon DynamoDB in the uswest-2 Region. The application is deployed to an Amazon EC2 instance. The application requires read-only permissions to a table that is named Cars The EC2 instance has an attached IAM role that contains the following IAM policy.

                                When the application tries to read from the Cars table, an Access Denied error occurs.
                                How can the developer resolve this error?

                                正解：B

                                解説：
                                https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/access-control-overview.html#access- control-resource-ownership


                                質問 # 259
                                A company hosts an application that uploads data to an Amazon S3 bucket named amzn-s3- demo-bucket. The bucket is in a single AWS account named 111111111111. The company deploys an AWS Lambda function named S3EventParser in a second AWS account named
                                222222222222.
                                The company wants to configure S3 Event Notifications to initiate the Lambda function each time a new object is uploaded to the S3 bucket. The company has deployed all resources in the eu- west-1 Region.
                                A developer who has access to both AWS accounts needs to ensure that S3 Event Notifications can successfully deliver upload events to the Lambda function.
                                Which solution will meet these requirements?

                                正解：B

                                解説：
                                For Amazon S3 to invoke a Lambda function (including across accounts), the Lambda function must grant Amazon S3 permission by using a resource-based policy on the function. The policy must allow the s3.amazonaws.com service principal to call lambda:InvokeFunction on the function ARN, and it should restrict access by specifying the source bucket ARN and the source AWS account in the condition keys. This enables S3 Event Notifications from the bucket in the first account to successfully invoke the Lambda function in the second account.


                                質問 # 260
                                Given the source code for an AWS Lambda function in the local file store.py containing a handler function called get_store and the following AWS CloudFormation template:

                                What should be done to prepare the template so that it can be deployed using the AWS CLI command aws cloudformation deploy?

                                正解：D

                                解説：
                                The AWS SAM (Serverless Application Model) template shown uses Transform:
                                AWS::Serverless-2016-10-31, which requires preparing the Lambda source code for deployment using the command:
                                aws cloudformation package --template-file template.yaml --s3-bucket YOUR_BUCKET_NAME -- output-template-file packaged.yaml This command uploads the source code (e.g., store.py) to an S3 bucket and replaces the CodeUri in the template with a reference to the S3 location, producing a modified CloudFormation template that can then be deployed using aws cloudformation deploy.


                                質問 # 261
                                A company is developing an ecommerce application that uses Amazon API Gateway APIs. The application uses AWS Lambda as a backend. The company needs to test the code in a dedicated, monitored test environment before the company releases the code to the production environment.
                                Which solution will meet these requirements?

                                正解：C

                                解説：
                                We should create multiple stages and different Lambdas that will be utilised based on API Gateway stages variables.
                                https://docs.aws.amazon.com/apigateway/latest/developerguide/amazon-api-gateway-using- stage-variables.html


                                質問 # 262
                                ......

                                AWS Certified Developer - Associateテストの準備は、主に当社のクライアントは、DVA-C02試験に合格するのを助けると認証を得ることができます。この認証は、クライアントに大きなメリットをもたらします。クライアントは大企業に参入し、高給を稼ぐことができます。 DVA-C02試験に合格すると、給与を2倍にすることができます。認定資格を所有している場合、DVA-C02クイズトレントを十分にマスターし、優れた能力を所有していることを証明し、会社または工場で尊敬されます。あなたの仕事を変えたいなら、それはあなたにとっても良いことです。

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