Free AWS Certified Solutions Architect Associate SAA-C03 Practice Question

The service that fulfills the need to securely handle requests to retrieve information from various upstream services, along with the support for managing access, accommodating structural changes, and traffic control, is Amazon API Gateway. It provides functionalities for dealing with different versions of the interaction points, user authentication through integration with authorization mechanisms, and mechanisms to limit request rates. The other services, such as Amazon API Gateway, are for executing code without provisioning servers, Amazon Cognito is geared towards identity verification, AWS Direct Connect deals with dedicated network connections, Amazon S3 is for object storage, and AWS Step Functions provides workflow coordination, none of which specifically address the management of interaction points.