Developer Associate (Page 35)

A developer is running an application on an Amazon EC2 instance.When the application tries to read an Amazon S3 bucket, the application fails.The developer notices that the associated IAM role is missing the S3 read permission.The developer needs to give the application the ability to read the S3 bucket.Which solution will meet this requirement with the LEAST application disruption?Read More →

A developer creates an AWS Lambda function that retrieves and groups data from several public API endpoints.The Lambda function has been updated and configured to connect to the private subnet of a VPC.An internet gateway is attached to the VPC.The VPC uses the default network ACL and security group configurations.The developer finds that the Lambda function can no longer access the public API.The developer has ensured that the public API is accessible, but the Lambda function cannot connect to the APIHow should the developer fix the connection issue?Read More →

A company’s developer is creating an AWS Lambda function that will read data from an Amazon RDS database.The company’s security policies require the database credentials to be encrypted at rest by AWS Key Management Service (AWS KMS) keys.The database credentials must also be automatically rotated.The Lambda function needs to be able to read the database credentials securely.Which solution will meet these requirements?Read More →

A company is developing a serverless application that consists of various AWS Lambda functions behind Amazon API Gateway APIs.A developer needs to automate the deployment of Lambda function code.The developer will deploy updated Lambda functions with AWS CodeDeploy.The deployment must minimize the exposure of potential errors to end users.When the application is in production, the application cannot experience downtime outside the specified maintenance window.Which deployment configuration will meet these requirements with the LEAST deployment time?Read More →

A developer is creating an application that will store personal health information (PHI).The PHI needs to be encrypted at all times.An encrypted Amazon RDS for MySQL DB instance is storing the data.The developer wants to increase the performance of the application by caching frequently accessed data while adding the ability to sort or rank the cached datasets.Which solution will meet these requirements?Read More →

A developer is setting up a deployment pipeline.The pipeline includes an AWS CodeBuild build stage that requires access to a database to run integration tests.The developer is using a buildspec.yml file to configure the database connection.Company policy requires automatic rotation of all database credentials.Which solution will handle the database credentials MOST securely?Read More →

A developer is writing an application that will run on Amazon EC2 instances in an Auto Scaling group.The developer wants to externalize the session state to support the application.Which AWS services or resources can the developer use to meet these requirements? (Choose two.)Read More →

A company is developing a serverless multi-tier application on AWS.The company will build the serverless logic tier by using Amazon API Gateway and AWS Lambda.While the company builds the logic tier, a developer who works on the frontend of the application must develop integration tests.The tests must cover both positive and negative scenarios, depending on success and error HTTP status codes.Which solution will meet these requirements with the LEAST effort?Read More →

A serverless application is using AWS Step Functions to process data and save it to a database.The application needs to validate some data with an external service before saving the data.The application will call the external service from an AWS Lambda function, and the external service will take a few hours to validate the data.The external service will respond to a webhook when the validation is complete.A developer needs to pause the Step Functions workflow and wait for the response from the external service.What should the developer do to meet this requirement?Read More →

A developer wants to add request validation to a production environment Amazon API Gateway API.The developer needs to test the changes before the API is deployed to the production environment.For the test, the developer will send test requests to the API through a testing tool.Which solution will meet these requirements with the LEAST operational overhead?Read More →