Developer Associate (Page 65)

A company is offering APIs as a service over the internet to provide unauthenticated read access to statistical information that is updated daily.The company uses Amazon API Gateway and AWS Lambda to develop the APIs.The service has become popular, and the company wants to enhance the responsiveness of the APIs.Which action can help the company achieve this goal?Read More →

A company has an Amazon S3 bucket containing premier content that it intends to make available to only paid subscribers of its website.The S3 bucket currently has default permissions of all objects being private to prevent inadvertent exposure of the premier content to non-paying website visitors.How can the company limit the ability to download a premier content file in the S3 bucket to paid subscribers only?Read More →

A developer is monitoring an application that runs on an Amazon EC2 instance.The developer has configured a custom Amazon CloudWatch metric with data granularity of 1 second.If any issues occur, the developer wants to be notified within 30 seconds by Amazon Simple Notification Service (Amazon SNS).What should the developer do to meet this requirement?Read More →

A developer is creating an Amazon DynamoDB table by using the AWS CLI.The DynamoDB table must use server-side encryption with an AWS owned encryption key.How should the developer create the DynamoDB table to meet these requirements?Read More →

A developer is using an AWS CodePipeline pipeline to provide continuous integration and continuous delivery (CI/CD) support for a Java application.The developer needs to update the pipeline to support the introduction of a new application dependency .jar file.The pipeline must start a build when a new version of the .jar file becomes available.Which solution will meet these requirements?Read More →

A company has a web application that is hosted on AWS.The application is behind an Amazon CloudFront distribution.A developer needs a dashboard to monitor error rates and anomalies of the CloudFront distribution as frequently as possible.Which combination of steps should the developer take to meet these requirements? (Choose two.)Read More →

A developer is creating an application that will be deployed on IoT devices.The application will send data to a RESTful API that is deployed as an AWS Lambda function.The application will assign each API request a unique identifier.The volume of API requests from the application can randomly increase at any given time of day.During periods of request throttling, the application might need to retry requests.The API must be able to handle duplicate requests without inconsistencies or data loss.Which solution will meet these requirements?Read More →

A company uses AWS X-Ray to monitor a serverless application.The components of the application have different request rates.The user interactions and transactions are important to trace, but they are low in volume.The background processes such as application health checks, polling, and connection maintenance generate high volumes of read-only requests.Currently, the default X-Ray sampling rules are universal for all requests.Only the first request per second and some additional requests are recorded.This setup is not helping the company review the requests based on service or request type.A developer must configure rules to trace requests based on service or request properties.The developer must trace the user interactions and transactions without wasting effort recording minor background tasks.Which solution will meet these requirements?Read More →

A company is creating an application that processes .csv files from Amazon S3.A developer has created an S3 bucket.The developer has also created an AWS Lambda function to process the .csv files from the S3 bucket.Which combination of steps will invoke the Lambda function when a .csv file is uploaded to Amazon S3? (Choose two.)Read More →

A company moved some of its secure files to a private Amazon S3 bucket that has no public access.The company wants to develop a serverless application that gives its employees the ability to log in and securely share the files with other users.Which AWS feature should the company use to share and access the files securely?Read More →