DVA-C02 (Page 30)

A company is migrating an on-premises database to Amazon RDS for MySQL.The company has read-heavy workloads.The company wants to refactor the code to achieve optimum read performance for queries.Which solution will meet this requirement with LEAST current and future effort?Read More →

A company uses an AWS Lambda function to call a third-party service.The third-party service has a limit of requests each minute.If the number of requests exceeds the limit, the third-party service returns rate-limiting errors.A developer needs to configure the Lambda function to avoid receiving rate limiting errors from the third-party service.Which solution will meet these requirements?Read More →

A developer needs temporary access to resources in a second account.What is the MOST secure way to achieve this?Read More →

A company has an internal website that contains sensitive data.The company wants to make the website public.The company must ensure that only employees who authenticate through the company’s OpenID Connect (OIDC) identity provider (IdP) can access the website.A developer needs to implement authentication without editing the website.Which combination of steps will meet these requirements? (Choose two.)Read More →

A company is building a scalable data management solution by using AWS services to improve the speed and agility of development.The solution will ingest large volumes of data from various sources and will process this data through multiple business rules and transformations.The solution requires business rules to run in sequence and to handle reprocessing of data if errors occur when the business rules run.The company needs the solution to be scalable and to require the least possible maintenance.Which AWS service should the company use to manage and automate the orchestration of the data flows to meet these requirements?Read More →

A company built an online event platform.For each event, the company organizes quizzes and generates leaderboards that are based on the quiz scores.The company stores the leaderboard data in Amazon DynamoDB and retains the data for 30 days after an event is complete.The company then uses a scheduled job to delete the old leaderboard data.The DynamoDB table is configured with a fixed write capacity.During the months when many events occur, the DynamoDB write API requests are throttled when the scheduled delete job runs.A developer must create a long-term solution that deletes the old leaderboard data and optimizes write throughput.Which solution meets these requirements?Read More →

A developer has an application that stores data in an Amazon S3 bucket.The application uses an HTTP API to store and retrieve objects.When the PutObject API operation adds objects to the S3 bucket the developer must encrypt these objects at rest by using server-side encryption with Amazon S3 managed keys (SSE-S3).Which solution will meet this requirement?Read More →

A developer is creating a mobile app that calls a backend service by using an Amazon API Gateway REST API.For integration testing during the development phase, the developer wants to simulate different backend responses without invoking the backend service.Which solution will meet these requirements with the LEAST operational overhead?Read More →

An application uses Lambda functions to extract metadata from files uploaded to an S3 bucket; the metadata is stored in Amazon DynamoDB.The application starts behaving unexpectedly, and the developer wants to examine the logs of the Lambda function code for errors.Based on this system configuration, where would the developer find the logs?Read More →

A developer is using AWS Amplify Hosting to build and deploy an application.The developer is receiving an increased number of bug reports from users.The developer wants to add end-to-end testing to the application to eliminate as many bugs as possible before the bugs reach production.Which solution should the developer implement to meet these requirements?Read More →