Free SAP-C02 Web TestEngine Demo

Q69 Single choice

A company runs a test application on an Amazon EC2 instance. Testing clients across the United States send data to the application by using a REST API. As traffic increases, application response times increase. The company wants to migrate to a serverless architecture and stream data to clients through WebSockets.

Which solution will meet these requirements?

A
Create a new Amazon API Gateway REST API. Implement the business logic in AWS Lambda functions. Set the Lambda functions as integrations to the new REST API. Create a new AWS Step Functions state machine and set the clients as targets. Use the state machine to send data back to the clients.
B
Create a new Amazon API Gateway HTTP API and an Amazon SQS queue. Configure the HTTP API to integrate with the SQS queue. Implement the business logic in an AWS Lambda function. Use the SQS queue to invoke the Lambda function. Configure the Lambda function to write data to an AWS AppSync Events channel. Ensure that the clients subscribe to the AWS AppSync Events channel.
C
Create a new AWS AppSync API and a new Amazon SQS queue. Integrate the SQS queue with the AWS AppSync API. Update the current business logic to consume from the SQS queue. Create a new Amazon EventBridge event bus and an EventBridge rule. Set the clients as targets for the rule. Use the EventBridge event bus to send data back to the clients.
D
Create a new Amazon CloudFront distribution. Implement the business logic in a CloudFront function. Set the CloudFront function as an origin of the CloudFront distribution. Enable AWS IoT Core. Configure the CloudFront function to write data to an MQTT topic. Ensure that the clients subscribe to the IoT Core MQTT topic through WebSockets.

SAP-C02 Web TestEngine demo