Developer Associate (Page 43)

A developer is working on an ecommerce platform that communicates with several third-party payment processing APIs.The third-party payment services do not provide a test environment.The developer needs to validate the ecommerce platform’s integration with the third-party payment processing APIs.The developer must test the API integration code without invoking the third-party payment processing APIs.Which solution will meet these requirements?Read More →

A developer needs to implement a cache to store data that an application frequently queries from an Amazon RDS for MySQL database.The data structures that will be cached include sets and sorted sets.How should the developer implement the cache to achieve the LOWEST latency?Read More →

A developer is creating a database of products.Queries for frequently accessed products must have retrieval times of microseconds.To ensure data consistency, the application cache must be updated whenever products are added, changed, or deleted.Which solution will meet these requirements?Read More →

A developer must use AWS X-Ray to monitor an application that is running on an Amazon EC2 instance.The developer has prepared the application by using theX-Ray SDK.What should the developer do to perform the monitoring?Read More →

A company has deployed infrastructure on AWS.A development team wants to create an AWS Lambda function that will retrieve data from an Amazon Aurora database.The Amazon Aurora database is in a private subnet in company’s VPC.The VPC is named VPC1.The data is relational in nature.The Lambda function needs to access the data securely.Which solution will meet these requirements?Read More →

A company has a multi-tier application that uses Amazon API Gateway, AWS Lambda, and Amazon RDS.The company wants to investigate a slow response time to calls that come from the API Gateway API.What is the MOST operationally efficient way for the company to determine which internal call is causing the slow response times?Read More →

A developer is building a new application that will be deployed on AWS.The developer has created an AWS CodeCommit repository for the application.The developer has initialized a new project for the application by invoking the AWS Cloud Development Kit (AWS CDK) cdk init command.The developer must write unit tests for the infrastructure as code (IaC) templates that the AWS CDK generates.The developer also must run a validation tool across all constructs in the CDK application to ensure that critical security configurations are activated.Which combination of actions will meet these requirements with the LEAST development overhead? (Choose two.)Read More →

A front-end web application is using Amazon Cognito user pools to handle the user authentication flow.A developer is integrating Amazon DynamoDB into the application using the AWS SDK for JavaScript.How would the developer securely call the API without exposing the access or secret keys?Read More →

An AWS Lambda function is running in a company’s shared AWS account.The function needs to perform an additional ec2:DescribeInstances action that is directed at the company’s development accounts.A developer must configure the required permissions across the accounts.How should the developer configure the permissions to adhere to the principle of least privilege?Read More →

A developer is storing JSON files in an Amazon S3 bucket.The developer wants to securely share an object with a specific group of people.How can the developer securely provide temporary access to the objects that are stored in the S3 bucket?Read More →