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DVA-C02 試験練習問題

AWS Certified Developer – Associate

DVA-C02 の PDF 練習問題。資料の言語は 英語です。購入はこの試験のみで、自動更新はありません。

試験概要

DVA-C02 は「AWS Certified Developer – Associate」の認定試験です。試験形式、時間、対応言語は以下をご確認ください。最新の出題範囲や受験条件は公式サイトをご参照ください。

AWS によると DVA-C02 の最終受験日は2026年11月30日で、DVA-C03 へ移行します。

試験コード
DVA-C02
公式の試験・資格名
AWS Certified Developer – Associate
試験形式
Single-answer and multiple-response 問
試験時間
130 分
公式試験の問題数
65 問
受験可能な言語
英語、日本語、韓国語、ポルトガル語（ブラジル）、簡体字中国語、スペイン語（中南米）

公式試験の対応言語と練習問題ファイルの言語は異なります。試験の版と言語は公式の予約ページでご確認ください。

公式情報： 公式サイト
情報確認日：2026-10-20

対応言語

  • 英語
  • 簡体字中国語
購入前にお試し

最初の 20 問を無料プレビュー

全 557 問

題庫の元の順序で表示します。回答欄を開くと、正解と収録されている解説を確認できます。

問題の言語：英語。問題文・選択肢・正解・解説は元の題庫の言語で表示します。

免責事項：ExamPico の問題はすべてインターネット上の情報を整理したもので、学習参考用として提供しています。

問題 16

Question#16Topic1

A developer has written an AWS Lambda function. The function is CPU-bound. The developer wants to ensure that the function returns responses quickly.
How can the developer improve the function's performance?

  1. A. Increase the function's CPU core count.
  2. B. Increase the function's memory.
  3. C. Increase the function's reserved concurrency.
  4. D. Increase the function's timeout.
正解を表示

正解

B

問題 17

Question#17Topic1

For a deployment using AWS Code Deploy, what is the run order of the hooks for in-place deployments?

  1. A. BeforeInstall -> ApplicationStop -> ApplicationStart -> AfterInstall
  2. B. ApplicationStop -> BeforeInstall -> AfterInstall -> ApplicationStart
  3. C. BeforeInstall -> ApplicationStop -> ValidateService -> ApplicationStart
  4. D. ApplicationStop -> BeforeInstall -> ValidateService -> ApplicationStart
正解と解説を表示

正解

B

解説

For an in-place deployment using AWS CodeDeploy, the run order of the hooks is: ApplicationStop -- BeforeInstall -- AfterInstall -- ApplicationStart This means that the ApplicationStop hook is run first, to stop the current version of the application running on the instances. Then, the BeforeInstall hook is run, to prepare the instance for the new version of the application. The new version of the application is then installed with the AfterInstall hook. Finally, the ApplicationStart hook is run to start the new version of the application. Therefore, the correct answer is option B: ApplicationStop -- BeforeInstall -- AfterInstall -- ApplicationStart.

問題 18

Question#18Topic1

A company is building a serverless application on AWS. The application uses an AWS Lambda function to process customer orders 24 hours a day, 7 days a week. The Lambda function calls an external vendor's HTTP API to process payments.
During load tests, a developer discovers that the external vendor payment processing API occasionally times out and returns errors. The company expects that some payment processing API calls will return errors.
The company wants the support team to receive notifications in near real time only when the payment processing external API error rate exceed 5% of the total number of transactions in an hour. Developers need to use an existing Amazon Simple Notification Service (Amazon SNS) topic that is configured to notify the support team.
Which solution will meet these requirements?

  1. A. Write the results of payment processing API calls to Amazon CloudWatch. Use Amazon CloudWatch Logs Insights to query the CloudWatch logs. Schedule the Lambda function to check the CloudWatch logs and notify the existing SNS topic.
  2. B. Publish custom metrics to CloudWatch that record the failures of the external payment processing API calls. Configure a CloudWatch alarm to notify the existing SNS topic when error rate exceeds the specified rate.
  3. C. Publish the results of the external payment processing API calls to a new Amazon SNS topic. Subscribe the support team members to the new SNS topic.
  4. D. Write the results of the external payment processing API calls to Amazon S3. Schedule an Amazon Athena query to run at regular intervals. Configure Athena to send notifications to the existing SNS topic when the error rate exceeds the specified rate.
正解を表示

正解

B

問題 19

Question#19Topic1

A company is offering APIs as a service over the internet to provide unauthenticated read access to statistical information that is updated daily. The company uses Amazon API Gateway and AWS Lambda to develop the APIs. The service has become popular, and the company wants to enhance the responsiveness of the APIs.
Which action can help the company achieve this goal?

  1. A. Enable API caching in API Gateway.
  2. B. Configure API Gateway to use an interface VPC endpoint.
  3. C. Enable cross-origin resource sharing (CORS) for the APIs.
  4. D. Configure usage plans and API keys in API Gateway.
正解を表示

正解

A

問題 20

Question#20Topic1

A developer wants to store information about movies. Each movie has a title, release year, and genre. The movie information also can include additional properties about the cast and production crew. This additional information is inconsistent across movies. For example, one movie might have an assistant director, and another movie might have an animal trainer.
The developer needs to implement a solution to support the following use cases:
For a given title and release year, get all details about the movie that has that title and release year.
For a given title, get all details about all movies that have that title.
For a given genre, get all details about all movies in that genre.
Which data store configuration will meet these requirements?

  1. A. Create an Amazon DynamoDB table. Configure the table with a primary key that consists of the title as the partition key and the release year as the sort key. Create a global secondary index that uses the genre as the partition key and the title as the sort key.
  2. B. Create an Amazon DynamoDB table. Configure the table with a primary key that consists of the genre as the partition key and the release year as the sort key. Create a global secondary index that uses the title as the partition key.
  3. C. On an Amazon RDS DB instance, create a table that contains columns for title, release year, and genre. Configure the title as the primary key.
  4. D. On an Amazon RDS DB instance, create a table where the primary key is the title and all other data is encoded into JSON format as one additional column.
正解を表示

正解

A

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