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Amazon AWS-Certified-Developer-Associate 認定試験の出題範囲：

トピック	出題範囲
トピック 1	AWSの基礎基本的なコンポーネントや効果的な設計などのクラウドアーキテクチャの考慮事項を特定して認識します
トピック 2	アーキテクチャのトレードオフの決定に精通していること（高可用性とコスト、Amazon Relational
トピック 3	セキュリティサービス、AWS Identity and Access Management（IAM）、Amazon Virtual Private Cloud（VPC）、CIAおよびAAAモデル、入力と出力のフィルタリング
トピック 4	クラウドサービスの設計方法、データベースの概念、計画と設計、弾力性とスケーラビリティ
トピック 5	Amazon S3、Amazon Simple Workflow Service（SWS）、およびメッセージング、DynamoDB、AWS Elastic Beanstalk、AWS CloudFormation
トピック 6	共有セキュリティ責任モデル、AWSプラットフォームコンプライアンス、AWSセキュリティ属性（物理層までのカスタマーワークロード）
トピック 7	導入とセキュリティ最適なクラウドの導入と保守のための安全な手順、クラウドセキュリティのベストプラクティスを認識して実装する
トピック 8	設計と開発、クラウドソリューションをコーディングするための適切な手法の特定、Amazonマシンイメージ（AMI）の構成、AWSAPIを使用したプログラミング
トピック 9	データベースサービス（RDS）とAmazon Elastic Compute Cloud（EC2）への独自のデータベースのインストール）

AWS-Certified-Developer-Associate試験解説

AWS-Certified-Developer-Associateサンプル問題集 & AWS-Certified-Developer-Associateテスト対策書

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Amazon AWS Certified Developer - Associate 認定 AWS-Certified-Developer-Associate 試験問題 (Q431-Q436):

質問 # 431
An Amazon EC2 instance is part of an EC2 Auto Scaling group that is behind an Application Load Balancer (ALB). It is suspected that the EC2 instance has been compromised.
Which steps should be taken to investigate the suspected compromise? (Choose three.)

A. Detach the elastic network interface from the EC2 instance.
B. Attach a security group that has restrictive ingress and egress rules to the EC2 instance.
C. Initiate an Amazon Elastic Block Store volume snapshot of all volumes on the EC2 instance.
D. Add a rule to an AWS WAF to block access to the EC2 instance.
E. Disable any Amazon Route 53 health checks associated with the EC2 instance.
F. De-register the EC2 instance from the ALB and detach it from the Auto Scaling group.

正解：A、B、D

質問 # 432
A developer is using Amazon DynamoDB to store application data . The developer wants to further improve application performance by reducing response limes for read and write operations.
Which DynamoDB feature should be used to meet these requirement?

A. Amazon DynamoDB Accelerator
B. Amazon DynamoDB Streams
C. Amazon DynamoDB global tables
D. Amazon DynamoDB transactions

正解：A

解説：
Explanation
https://aws.amazon.com/ko/blogs/database/amazon-dynamodb-accelerator-dax-a-read-throughwrite-through-cach

質問 # 433
A company maintains an application responsible for processing several thousand external callbacks each day.
The company's System administrators want to know how many callbacks are being received on a rolling basis, and they want this data available for 10 days. The company also wants the ability to issue automated alerts if the number of callbacks exceeds the defined thresholds.
What is the MOST cost-effective way to address the need to track and alert on these statistics?

A. Push callback data to Amazon CloudWatch as a custom metric and use the CloudWatch alerting mechanisms to alert System Administrators.
B. Push callback data to an Amazon RDS database that can be queried to show historical data and to alert on exceeded thresholds.
C. Push callback data to Amazon Kinesis Data Streams and invoke an AWS Lambda function that stores data in Amazon DynamoDB and sends the required alerts.
D. Push callback data to AWS X-Ray and use AWS Lambda to query, display, and alert on exceeded thresholds.

正解：A

質問 # 434
A developer is migrating code to an AWS Lambda function that will access an Amazon Aurora MySQL database.
What is the MOST secure way to authenticate the function to the database?

A. Create a policy with rds-db connect access to the database and attach it to the role assigned to the Lambda function
B. Store the database credentials as encrypted parameters in AWS Systems Manager Parameter Store Obtain the credentials from Systems Manager when the Lambda function needs to connect to the database
C. Store the database credentials in an Amazon S3 bucket that has a restrictive bucket policy for the Lambda role only when accessing the credentials Use AWS KMS to encrypt the data
D. Store the database credentials in AWS Secrets Manager Let Secrets Manager handle the rotation of the credentials, as required

正解：D

質問 # 435
A corporate web application is deployed within an Amazon VPC, and is connected to the corporate data center via IPSec VPN. The application must authenticate against the on-premise LDAP server. Once authenticated, logged-in users can only access an S3 keyspace specific to the user.
Which two approaches can satisfy the objectives? Choose 2 answers

A. Develop an identity broker which authenticates against IAM Security Token Service to assume an IAM Role to get temporary AWS security credentials. The application calls the identity broker to get AWS temporary security credentials with access to the appropriate S3 bucket.
B. The application authenticates against LDAP, and retrieves the name of an IAM role associated with the user. The application then calls the IAM Security Token Service to assume that IAM Role. The application can use the temporary credentials to access the appropriate S3 bucket.
C. Develop an identity broker which authenticates against LDAP, and then calls IAM Security Token Service to get IAM federated user credentials. The application calls the identity broker to get IAM federated user credentials with access to the appropriate S3 bucket.
D. The application authenticates against IAM Security Token Service using the LDAP credentials. The application uses those temporary AWS security credentials to access the appropriate S3 bucket.
E. The application authenticates against LDAP. The application then calls the IAM Security Service to login to IAM using the LDAP credentials. The application can use the IAM temporary credentials to access the appropriate S3 bucket.

正解：B、C

解説：
Explanation
https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html

質問 # 436
......

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