Developer Associate (Page 33)

A developer is investigating an issue in part of a company’s application.In the application, messages are sent to an Amazon Simple Queue Service (Amazon SQS) queue.The AWS Lambda function polls messages from the SQS queue and sends email messages by using Amazon Simple Email Service (Amazon SES).Users have been receiving duplicate email messages during periods of high traffic.Which reasons could explain the duplicate email messages? (Choose two.)Read More →

A developer is writing a new web application that will be deployed and managed with AWS Elastic Beanstalk.The application will include an Amazon RDS DB instance.What steps should the developer take to access the RDS DB instance from the code? (Choose two.)Read More →

A company wants to migrate applications from its on-premises servers to AWS.As a first step, the company is modifying and migrating a non-critical application to a single Amazon EC2 instance.The application will store information in an Amazon S3 bucket.The company needs to follow security best practices when deploying the application on AWS.Which approach should the company take to allow the application to interact with Amazon S3?Read More →

A company stores documents in Amazon S3 with default settings.A new regulation requires the company to encrypt the documents at rest, rotate the encryption keys annually, and keep a record of when the encryption keys were rotated.The company does not want to manage the encryption keys outside of AWS.Which solution will meet these requirements?Read More →

A developer is troubleshooting an application in an integration environment.In the application, an Amazon Simple Queue Service (Amazon SQS) queue consumes messages and then an AWS Lambda function processes the messages.The Lambda function transforms the messages and makes an API call to a third-party service.There has been an increase in application usage.The third-party API frequently returns an HTTP 429 Too Many Requests error message.The error message prevents a significant number of messages from being processed successfully.How can the developer resolve this issue?Read More →

A developer is testing a Docker-based application that uses the AWS SDK to interact with Amazon DynamoDB.In the local development environment, the application has used IAM access keys.The application is now ready for deployment onto an ECS cluster.How should the application authenticate with AWS services in production?Read More →

A company has an application that runs as a series of AWS Lambda functions.Each Lambda function receives data from an Amazon Simple Notification Service (Amazon SNS) topic and writes the data to an Amazon Aurora DB instance.To comply with an information security policy, the company must ensure that the Lambda functions all use a single securely encrypted database connection string to access Aurora.Which solution will meet these requirements?Read More →

A developer is building a serverless application that is based on AWS Lambda.The developer initializes the AWS software development kit (SDK) outside of theLambda handler function.What is the PRIMARY benefit of this action?Read More →

A developer is creating an AWS Lambda function.The Lambda function needs an external library to connect to a third-party solution.The external library is a collection of files with a total size of 100 MB.The developer needs to make the external library available to the Lambda execution environment and reduce the Lambda package space.Which solution will meet these requirements with the LEAST operational overhead?Read More →

An application needs to encrypt data that is written to Amazon S3 where the keys are managed in an on-premises data center, and the encryption is handled byS3.Which type of encryption should be used?Read More →