Which of the following accurately describes cloud computing?

Cloud computing is accurately described as an on-demand resource provisioning model, as it allows users to access and utilize computing resources—such as servers, storage, databases, networking, software, and analytics—over the internet on an as-needed basis. This model is characterized by its scalability, flexibility, and cost-effectiveness, enabling businesses and individuals to leverage IT resources without having to invest in physical infrastructure.

In cloud computing, resources can be provisioned quickly and efficiently, allowing users to adapt to changing demands. This has led to various benefits, such as reduced costs, improved performance, and the ability to scale resources up or down based on requirements.

The other options illustrate concepts that do not align with the fundamental characteristics of cloud computing. For instance, traditional data storage does not provide the dynamic capabilities associated with cloud solutions, while a service model for local applications does not capture the essence of cloud computing, which is inherently remote and not confined to local settings. Lastly, a proprietary operating system relates specifically to software that is exclusive and controlled by a single entity, which does not pertain to the broader nature of resource provisioning that is central to cloud computing.