Developer Associate (Page 17)

A developer wants to insert a record into an Amazon DynamoDB table as soon as a new file is added to an Amazon S3 bucket.Which set of steps would be necessary to achieve this?Read More →

An application running on Amazon EC2 opens connections to an Amazon RDS SQL Server database.The developer does not want to store the user name and password for the database in the code.The developer would also like to automatically rotate the credentials.What is the MOST secure way to store and access the database credentials?Read More →

A developer is creating a template that uses AWS CloudFormation to deploy an application.The application is serverless and uses Amazon API Gateway, Amazon DynamoDB, and AWS Lambda.Which AWS service or tool should the developer use to define serverless resources in YAML?Read More →

A developer is designing a serverless application for an ecommerce website.An Amazon API Gateway API exposes AWS Lambda functions for billing, payment, and user operations.The website features shopping carts for the users.The shopping carts must be stored for extended periods of time and will be retrieved frequently by the front-end application.The load on the application will vary significantly based on the time of day and the promotional sales that are offered on the website.The application must be able to scale automatically to meet these changing demands.Which solution will meet these requirements?Read More →

A developer is creating an application that includes an Amazon API Gateway REST API in the us-east-2 Region.The developer wants to use Amazon CloudFront and a custom domain name for the API.The developer has acquired an SSL/TLS certificate for the domain from a third-party provider.How should the developer configure the custom domain for the application?Read More →

A developer maintains an Amazon API Gateway REST API.Customers use the API through a frontend UI and Amazon Cognito authentication.The developer has a new version of the API that contains new endpoints and backward-incompatible interface changes.The developer needs to provide beta access to other developers on the team without affecting customers.Which solution will meet these requirements with the LEAST operational overhead?Read More →

A developer is deploying an application on Amazon EC2 instances that run in Account A.The application needs to read data from an existing Amazon Kinesis data stream in Account B.Which actions should the developer take to provide the application with access to the stream? (Choose two.)Read More →

A developer is developing an application that uses signed requests (Signature Version 4) to call other AWS services.The developer has created a canonical request, has created the string to sign, and has calculated signing information.Which methods could the developer use to complete a signed request? (Choose two.)Read More →

A developer is building a microservice that uses AWS Lambda to process messages from an Amazon Simple Queue Service (Amazon SQS) standard queue.The Lambda function calls external APIs to enrich the SQS message data before loading the data into an Amazon Redshift data warehouse.The SQS queue must handle a maximum of 1,000 messages per second.During initial testing, the Lambda function repeatedly inserted duplicate data into the Amazon Redshift table.The duplicate data led to a problem with data analysis.All duplicate messages were submitted to the queue within 1 minute of each other.How should the developer resolve this issue?Read More →

A company needs an application that consumes logs from Apache HTTP servers at a large scale with near real-time processing.The logs will vary in size from 300 KB to 500 KB.As part of processing, the company needs to convert the logs to JSON format and then upload the logs to an Amazon OpenSearch Service cluster.Which combination of steps will meet these requirements? (Choose two.)Read More →