I. A network was set up in an audio-visual room with 10 computers connected to a hub. This allows people in the room to share resources and communicate over the local network.
II. Key advantages of a network include people being able to share files, printers and other peripherals. It also improves communication and collaboration.
III. An extranet is a network that uses internet technology to link a company to suppliers, vendors and customers, allowing restricted access to parts of a company's internal network.