Which AWS service can be used to provide an on-demand, cloud-based contact center?

Explanations:

AWS Direct Connect is a network service that provides a dedicated connection to AWS, not a contact center solution.

Amazon Connect is a cloud-based contact center service that allows businesses to provide customer service at scale.

AWS Support Center is a portal for managing AWS support cases and does not function as a contact center.

AWS Managed Services provides operational management for AWS infrastructure, not an on-demand contact center.