What should Genevieve configure to allow users to authenticate from a centralized database?

To enable users to authenticate from a centralized database, configuring a Windows domain is the most effective solution. In a Windows domain, user accounts and authentication processes are managed centrally through a domain controller, allowing users to access resources from various networked devices without needing separate credentials for each one. This centralized management system ensures that user accounts, security policies, and permissions are uniformly applied across the network.

In contrast, a workgroup operates on a decentralized model where each device manages its own user accounts and permissions individually. This setup can lead to increased complexity and administrative overhead as each machine would require separate authentication processes.

Utilizing a cloud service for authentication could potentially work, but it would depend heavily on the specific features and capabilities of that service. Not all cloud solutions provide the same level of centralized authentication and may require additional configuration.

A local server could host a database for user authentication, but it does not inherently provide the same centralized management features associated with a Windows domain. Without the proper infrastructure and configuration, relying solely on a local server can lead to inefficiencies in managing user accounts and authentication.

Therefore, a Windows domain clearly stands out as the optimal choice for centralized user authentication.