Final answer:
Cloud providers have responsibilities that include data encryption, hardware procurement, and user authentication.
Step-by-step explanation:
In computing models, regardless of the specific model being used, certain responsibilities are always owned by the cloud provider.
One of these responsibilities is Data Encryption. Cloud providers have the responsibility to encrypt user data to ensure its security.
Another responsibility is Hardware Procurement. Cloud providers are responsible for acquiring and maintaining the necessary hardware infrastructure to support their cloud services.
Finally, User Authentication is also a responsibility of the cloud provider. They are responsible for implementing secure authentication mechanisms to verify the identity of users accessing the cloud services.