Which of the following best describes an intranet?

An intranet is best described as a private network used within an organization. This type of network is specifically designed for internal communication and resource sharing among employees and departments. It allows for secure access to organizational data, applications, and services, which can improve collaboration and efficiency within the company.

Intranets typically utilize web technologies but are restricted in access to ensure that sensitive information remains confidential. This contrasts with public networks, which are accessible to anyone, and global information sharing platforms that allow information dissemination on a much larger, open scale. Moreover, while there may be modes of communication between devices, an intranet specifically refers to the network infrastructure that supports the internal communication, rather than just the methods of communication itself. Thus, the description of an intranet as a private network used solely within an organization accurately captures its primary function and purpose.