Developer Associate (Page 56)

A developer is creating a Java application that will store sensitive data in an Amazon DynamoDB table.The data must be encrypted at all times.How can the developer meet this requirement?Read More →

A developer is integrating Amazon ElastiCache in an application.The cache will store data from a database.The cached data must populate real-time dashboards.Which caching strategy will meet these requirements?Read More →

A Developer has been asked to make changes to the source code of an AWS Lambda function.The function is managed using an AWS CloudFormation template.The template is configured to load the source code from an Amazon S3 bucket.The Developer manually created a .ZIP file deployment package containing the changes and put the file into the correct location on Amazon S3.When the function is invoked, the code changes have not been applied.What step is required to update the function with the changes?Read More →

A company uses an AWS Lambda function to transfer files from an Amazon S3 bucket to the company’s SFTP server.The Lambda function connects to the SFTP server by using credentials such as username and password.The company uses Lambda environment variables to store these credentials.A developer needs to implement encrypted username and password credentials.Which solution will meet these requirements?Read More →

A government agency deploys a REST application on AWS.The agency integrates the application with AWS Lambda.The agency accesses the application through Amazon API Gateway.The agency has the following policies:• Number versions to manage the deployment of all Lambda functions to production• Create a PROD alias to point to each function• Reference the PROD aliases in the production stages of API GatewayOne Lambda function contains the environment variables that are used to externalize connection parameters.The PROD alias points to version 10 of the Lambda function.A developer needs to update the connection parameters and ensure that the updated Lambda function is available on production.Which solution will meet these requirements?Read More →

A developer manages a website that distributes its content by using Amazon CloudFront.The website’s static artifacts are stored in an Amazon S3 bucket.The developer deploys some changes and can see the new artifacts in the S3 bucket.However, the changes do not appear on the webpage that the CloudFront distribution delivers.How should the developer resolve this issue?Read More →

A company’s developer is creating an application that uses Amazon API Gateway.The company wants to ensure that only users in the Sales department can use the application.The users authenticate to the application by using federated credentials from a third-party identity provider (ldP) through Amazon Cognito.The developer has set up an attribute mapping to map an attribute that is named Department and to pass the attribute to a custom AWS Lambda authorizer.To test the access limitation, the developer sets their department to Engineering in the IdP and attempts to log in to the application.The developer is denied access.The developer then updates their department to Sales in the IdP and attempts to log in.Again, the developer is denied access.The developer checks the logs and discovers that access is being denied because the developer’s access token has a department value of Engineering.Which of the following is a possible reason that the developer’s department is still being reported as Engineering instead of Sales?Read More →

A developer received the following error message during an AWS CloudFormation deployment:DELETE_FAILED (The following resource(s) failed to delete: [ASGInstanceRole12345678].)Which action should the developer take to resolve this error?Read More →

A developer is creating an AWS Lambda function to process streaming data from an Amazon Kinesis data stream.When the Lambda function parses the data and encounters a malformed record from the stream, the Lambda function exits with an error.The developer is observing duplicate records downstream from the function.When the developer uses a different client to examine the Kinesis data stream output, no duplicate records are visible in the stream.What is the reason for the duplicate records?Read More →

A company is running a custom application on a set of on-premises Linux servers that are accessed using Amazon API Gateway.AWS X-Ray tracing has been enabled on the API test stage.How can a developer enable X-Ray tracing on the on-premises servers with the LEAST amount of configuration?Read More →