DVA-C02合格対策 & DVA-C02模試エンジン

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Amazon DVA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Deployment	24%	- Infrastructure as code 1. AWS CloudFormation templates - CI/CD and deployment strategies 1. AWS CodeBuild and CodeDeploy usage 2. AWS CodePipeline workflows
Topic 2: Development with AWS Services	32%	- AWS core services development 1. AWS Lambda functions development 2. Amazon DynamoDB integration patterns 3. Amazon S3 usage in applications - Application development and integration 1. Event-driven architectures with SNS/SQS 2. API Gateway and REST APIs
Topic 3: Troubleshooting and Optimization	18%	- Performance optimization 1. Fault tolerance and resilience patterns 2. Application performance tuning - Monitoring and logging 1. Amazon CloudWatch metrics and logs
Topic 4: Security	26%	- 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

>> DVA-C02合格対策 <<

試験の準備方法-最高のDVA-C02合格対策試験-最新のDVA-C02模試エンジン

スペシャリストは、DVA-C02の実際の試験の内容が毎日更新されるかどうかを確認します。新しいバージョンがある場合は、ユーザーが最新のリソースを初めて利用できるように、それらが時間内にユーザーに送信されます。このようにして、当社のDVA-C02ガイド資料は、ユーザーのニーズを考慮に入れた非常に高速な更新レートを持つことができます。 DVA-C02学習資料を使用するユーザーは、新しいリソースと接触する最初のグループである必要があります。 DVA-C02練習問題から更新リマインダーを受け取ったら、時間内にバージョンを更新でき、重要なメッセージを見逃すことはありません。

Amazon AWS Certified Developer - Associate 認定 DVA-C02 試験問題 (Q555-Q560):

質問 # 555
A company is creating a new application that gives users the ability to upload and share short video files. The average size of the video files is 10 MB. After a user uploads a file, a message needs to be placed into an Amazon Simple Queue Service (Amazon SQS) queue so the file can be processed. The files need to be accessible for processing within 5 minutes.
Which solution will meet these requirements MOST cost-effectively?

A. Write the files to Amazon S3 Glacier Deep Archive. Add the S3 location of the files to the SQS queue.
B. Write the files to Amazon S3 Standard. Add the S3 location of the files to the SQS queue.
C. Write messages that contain the contents of the uploaded files to the SQS queue.
D. Write the files to an Amazon Elastic Block Store (Amazon EBS) General Purpose SSD volume. Add the EBS location of the files to the SQS queue.

正解：B

質問 # 556
A developer is building a new application on AWS. The application uses an AWS Lambda function that retrieves information from an Amazon DynamoDB table. The developer hard coded the DynamoDB table name into the Lambda function code. The table name might change over time. The developer does not want to modify the Lambda code if the table name changes.
Which solution will meet these requirements MOST efficiently?

A. Create a file to store the table name. Zip the file and upload the file to the Lambda layer. Use the SDK for the programming language to retrieve the table name.
B. Create a Lambda environment variable to store the table name. Use the standard method for the programming language to retrieve the variable.
C. Store the table name in a file. Store the file in the /tmp folder. Use the SDK for the programming language to retrieve the table name.
D. Create a global variable that is outside the handler in the Lambda function to store the table name.

正解：A

質問 # 557
A company maintains a REST service using Amazon API Gateway and the API Gateway native API key validation. The company recently launched a new registration page, which allows users to sign up for the service. The registration page creates a new API key using CreateApiKey and sends the new key to the user. When the user attempts to call the API using this key. the user receives a 403 Forbidden error. Existing users are unaffected and can still call the API.
What code updates will grant these new users access to the API?

A. The importApiKeys method must be called to import all newly created API keys into the current stage of the API.
B. The createDeploymer.t method must be called so the API can be redeployed to include the newly created API key.
C. The createUsagePlanKey method must be called to associate the newly created API key with the correct usage plan.
D. The updateAuthorizer method must be called to update the API's authorizer to include the newly created API key

正解：C

質問 # 558
A company with multiple branch locations has an analytics and reporting application. Each branch office pushes a sales report to a shared Amazon S3 bucket at a predefined time each day. The company has developed an AWS Lambda function that analyzes the reports from all branch offices in a single pass. The Lambda function stores the results in a database.
The company needs to start the analysis once each day at a specific time.
Which solution will meet these requirements MOST cost-effectively?

A. Configure the Lambda function to run continuously and to begin analysis only at the predefined time each day.
B. Create an AWS Step Functions state machine that invokes the Lambda function once each day at the predefined time.
C. Configure an S3 event notification to invoke the Lambda function when a branch office uploads a sales report.
D. Create an Amazon EventBridge scheduled rule that invokes the Lambda function once each day at the predefined time.

正解：D

質問 # 559
A company's developer is creating an application that uses Amazon API Gateway. The company wants to ensure that only users in the Sales department can use the application. The users authenticate to the application by using federated credentials from a third-party identity provider (IdP) through Amazon Cognito. The developer has set up an attribute mapping to map an attribute that is named Department and to pass the attribute to a custom AWS Lambda authorizer.
To test the access limitation, the developer sets their department to Engineering in the IdP and attempts to log in to the application. The developer is denied access. The developer then updates their department to Sales in the IdP and attempts to log in. Again, the developer is denied access.
The developer checks the logs and discovers that access is being denied because the developer's access token has a department value of Engineering.
Which of the following is a possible reason that the developer's department is still being reported as Engineering instead of Sales?

A. The IAM role for the custom Lambda authorizer does not have a Department tag.
B. Authorization caching is enabled on the Amazon Cognito user pool.
C. Authorization caching is enabled in the custom Lambda authorizer.
D. The IAM role for the Amazon Cognito user pool does not have a Department tag.

正解：C

質問 # 560
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