What is the MOST operationally efficient solution that meets these requirements?

A company is planning to set up a REST API application on AWS. The application team wants to set up a new identity store on AWS. The IT team does not want to maintain any infrastructure or servers for this deployment.

What is the MOST operationally efficient solution that meets these requirements?
A . Deploy the application as AWS Lambda functions. Set up Amazon API Gateway REST API endpoints for the application Create a Lambda function, and configure a Lambda authorizer
B. Deploy the application in AWS AppSync, and configure AWS Lambda resolvers Set up an Amazon Cognito user pool, and configure AWS AppSync to use the user pool for authorization
C. Deploy the application as AWS Lambda functions. Set up Amazon API Gateway REST API endpoints for the application Set up an Amazon Cognito user pool, and configure an Amazon Cognito authorizer
D. Deploy the application in Amazon Elastic Kubemetes Service (Amazon EKS) clusters. Set up an Application Load Balancer for the EKS pods Set up an Amazon Cognito user pool and service pod for authentication.

View Answer

Answer: C