What is a common usage of a WAN?

A Wide Area Network (WAN) is specifically designed to span large geographical distances, making it ideal for linking multiple offices across a city, country, or even globally. This type of network utilizes various communication links, such as leased telecommunication lines, satellite communications, or even the internet to connect diverse locations, facilitating data transmission and communication between distant offices.

In contrast, options mentioning single-room connections, wireless home networks, or managing data within a single computer refer to Local Area Networks (LANs) or personal computing environments, which are fundamentally different in scope from what a WAN offers. Therefore, the primary purpose of a WAN is to enable organizations to operate effectively across larger geographic regions by providing a reliable means of communication and data sharing among various locations.