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What is a Network? A network refers to two or more connected computers that can share resources such as data, a printer, an Internet connection, applications, or a combination of these resources. Types of Networks. Local Area Network (LAN) Metropolitan Area Network (MAN) Wide Area Network (WAN) WAN Technologies. Leased Line. Synchronous serial.
Definition of WAN To many network professionals the term WAN doesn’t refer to the Internet but refers exclusively to enterprise WAN services such as Frame Relay, ATM or MPLS. The distinction is that enterprise WAN services were designed primarily to connect a given enterprise’s branch offices
wide-area network (WAN) is a connection between two or more local-area networks (LANs) spanning across a large, spread-out geographical area. A single LAN is usually considered to be confined to the same building or office that does not communicate over public transportation methods. A metropolitan-area network (MAN) limits its communications to
WANs are networks that span a larger geographic area and usually require the services of a common carrier. Examples of WAN technologies and protocols include Frame Relay, ATM, and DSL. What Is a WAN? A WAN is a data communications network that operates beyond the geographic scope of a LAN. Figure 1-1 shows the relative location of a LAN and WAN.
There are two prevailing definitions of a Wide Area Network (WAN). The book definition of a WAN is a network that spans large geographical locations, usually to interconnect multiple Local Area Networks (LANs).
However, one LAN can be connected to other LANs over any distance via telephone lines and radio waves. A system of LANs connected in this way is called a wide-area network (WAN). Most LANs connect workstations and personal computers. Each node (individual computer) in a LAN has its own CPUwith which it executes programs,
The branch office may have a different LAN than the main office and the two networks will communicate using the Internet infrastructure – you can use a VPN network to traffic data more securely; Or your company can adopt a Wide Area Network, known as WAN.
