Developer Associate (Page 60)

A company is using AWS CloudFormation templates to deploy AWS resources.The company needs to update one of its AWS CloudFormation stacks.What can the company do to find out how the changes will impact the resources that are running?Read More →

An Amazon Kinesis Data Firehose delivery stream is receiving customer data that contains personally identifiable information.A developer needs to remove pattern-based customer identifiers from the data and store the modified data in an Amazon S3 bucket.What should the developer do to meet these requirements?Read More →

A developer is building an application integrating an Amazon API Gateway with an AWS Lambda function.When calling the API.the developer receives the following error:Wed Nov 08 01:13:00 UTC 2017 : Method completed with status: 502What should the developer do to resolve the error?Read More →

A company hosts a client-side web application for one of its subsidiaries on Amazon S3.The web application can be accessed through Amazon CloudFront from https://www.example.com.After a successful rollout, the company wants to host three more client-side web applications for its remaining subsidiaries on three separate S3 buckets.To achieve this goal, a developer moves all the common JavaScript files and web fonts to a central S3 bucket that serves the web applications.However, during testing, the developer notices that the browser blocks the JavaScript files and web fonts.What should the developer do to prevent the browser from blocking the JavaScript files and web fonts?Read More →

A company hosts a web application that writes to an Amazon DynamoDB table.Application users frequently observe and report errors.The development team examines Amazon CloudWatch logs and frequently sees the following error:400 Bad Request ProvisionedThroughputExceededExceptionWhat is the cause of this error?Read More →

A developer is creating a web application for a school that stores data in Amazon DynamoDB.The ExamScores table has the following attributes: student_id, subject_name, and top_score.Each item in the ExamScores table is identified with student_id as the partition key and subject_name as the sort key.The web application needs to display the student _id for the top scores for each school subject.The developer needs to increase the speed of the queries to retrieve the student_id for the top scorer for each school subject.Which solution will meet these requirements?Read More →

A company’s developer is building a static website to be deployed in Amazon S3 for a production environment.The website integrates with an Amazon Aurora PostgreSQL database by using an AWS Lambda function.The website that is deployed to production will use a Lambda alias that points to a specific version of the Lambda function.The company must rotate the database credentials every 2 weeks.Lambda functions that the company deployed previously must be able to use the most recent credentials.Which solution will meet these requirements?Read More →

A company is working on a new serverless application.A developer needs to find an automated way to deploy AWS Lambda functions and the dependent infrastructure with minimum coding effort.The application also needs to be reliable.Which method will meet these requirements with the LEAST operational overhead?Read More →

An application reads data from an Amazon DynamoDB table.Several times a day, for a period of 15 seconds, me application receives multiple ProvisionedThroughputExceeded errors.How should this exception be handled?Read More →

A company runs an ecommerce application on AWS.The application stores data in an Amazon Aurora database.A developer is adding a caching layer to the application.The caching strategy must ensure that the application always uses the most recent value for each data item.Which caching strategy will meet these requirements?Read More →