Q187. A company is having issues with a newly deployed server less infrastructure that uses Amazon API Gateway Amazon Lambda and Amazon DynamoDB.In a steady state the application performs as expected However during peak load tens of thousands of simultaneous invocations are needed and user request fail multiple times before succeeding. The company has checked the logs for each component focusing specifically on Amazon CloudWatch Logs for Lambda. There are no errors logged by the services or applications What might cause this problem?
A.Lambda has very memory assigned which causes the function to fail at peak load. B.Lambda is in a subnet that uses a NAT gateway to reach out to the internet and the function instance does not have sufficient Amazon EC2 resources in the VPC to scale with the load. C.The throttle limit set on API Gateway is very low during peak load the additional requests are not making their way through to Lambda D.DynamoDB is set up in an auto scaling mode. During peak load DynamoDB adjust capacity and through successfully.正确答案C
