Nadeem Unuth

Ethernet is the technology that is commonly used in wired local area networks (LANs). A LAN is a network of computers and other electronic devices that covers a small area, such as a room, office, or building. It contrasts with a wide area network (WAN), which spans a large geographical area. Ethernet is a network protocol that controls how data is transmitted over a LAN and is referred to as the IEEE 802.3 protocol.

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A PBX (private branch exchange) system allows an organization to manage incoming and outgoing phone calls, as well as internal communication. A PBX is made up of hardware and software that connects to communication devices such as telephone adapters, hubs, switches, routers, and telephone sets. PBX Functions Modern PBXs have several management features that make communication easy and more effective within organizations, helping boost productivity.