| Exam Name: | AWS Certified Developer - Associate | ||
| Exam Code: | DVA-C02 Dumps | ||
| Vendor: | Amazon Web Services | Certification: | AWS Certified Associate |
| Questions: | 600 Q&A's | Shared By: | arnie |
A developer is working on a web application that requires selective activation of features . Features must remain hidden from end users until they are ready for release.
Which solution will meet these requirements?
A company is developing a weather forecast application that displays forecasts for cities within a single country. Weather data is stored in an Amazon DynamoDB table named Forecasts with attributes CityId, Temperature, and ForecastDate.
The application is read heavy . Most read requests target the current day’s forecast for a small number of very large cities . The company must design a partition key strategy that ensures the most even distribution of read traffic .
Which solution will meet these requirements?
A company has an application that receives batches of orders from partners every day. The application uses an AWS Lambda function to process the batches.
If a batch contains no orders, the Lambda function must publish to an Amazon SNS topic as soon as possible.
Which combination of steps will meet this requirement with the LEAST implementation effort? (Select TWO.)
A developer is re-architecting a caching solution that currently uses an Amazon ElastiCache (Redis OSS) cluster that has cluster mode enabled to store product information. The existing solution experiences significant load. All cached product data expires at the same time, which results in additional pressure on the backend database and poor performance for end users. The developer must resolve the performance issues in a way that maintains data freshness.
Which solution will meet these requirements?