Free Amazon DVA-C02 Exam Questions

A developer is building a three-tier web application that should be able to handle a minimum of 5000 requestsper minute. Requirements state that the web tier should be completely stateless while the applicationmaintains session state for the users.How can session data be externalized, keeping latency at the LOWEST possible value?

A developer is working on an ecommerce website The developer wants to review server logs without loggingin to each of the application servers individually. The website runs on multiple Amazon EC2 instances, iswritten in Python, and needs to be highly availableHow can the developer update the application to meet these requirements with MINIMUM changes?

A company is planning to securely manage one-time fixed license keys in AWS. The company's development team needs to access the license keys in automaton scripts that run in Amazon EC2 instances and in AWS CloudFormation stacks. Which solution will meet these requirements MOST cost-effectively? 

An application uses Amazon API Gateway integrated with an AWS Lambda function. Some API requestsreturn HTTP 504 (Gateway Timeout) errors.The Lambda function timeout is set to 20 seconds . The API Gateway integration timeout is 15 seconds .There are no errors in the Lambda logs.Which solution will prevent the HTTP 504 errors?

A company has an ecommerce application. To track product reviews, the company ' s development team usesan Amazon DynamoDB table.Every record includes the following• A Review ID a 16-digrt universally unique identifier (UUID)• A Product ID and User ID 16 digit UUlDs that reference other tables• A Product Rating on a scale of 1-5• An optional comment from the userThe table partition key is the Review ID. The most performed query against the table is to find the 10 reviewswith the highest rating for a given product.Which index will provide the FASTEST response for this query " ?