What is an aspect of the resource pooling feature in a private cloud?

Resource pooling in a private cloud refers to the way that computing resources are combined and allocated to various users or departments based on their needs. This concept allows for more efficient use of resources, as several departments can share the same underlying physical hardware while still maintaining the separation and security of their data and applications.

The allocation across multiple departments exemplifies the flexibility and scalability of the private cloud model. It enables organizations to optimize resource utilization by dynamically distributing resources according to workload demand. This is particularly important because different departments may have varying resource requirements at any given time.

In contrast, the other options do not align with the core principle of resource pooling. The mandatory use of third-party resources is not a characteristic of a private cloud, which typically utilizes on-premises resources tailored to the organization's specific security and compliance needs. Exclusive use of on-site hardware is not entirely accurate, as private clouds can also be hybrid in nature, incorporating both on-site and external resources. Shared resources only among public users would describe a public cloud environment rather than the private cloud, where resources are dedicated to a single organization.