Network and Categories

Network = A network can be defined as two or more computers connected together in such a way that they can share resources is called Network.

Categories =  1: LAN  2:  MAN 3: WAN 4: PAN.

1: LAN =  LAN stands for Local Area Network. Network of computers located in a single location. like a home, school, or office building.Can share connection with other LAN and with Internet. Characteristics of  LAN = 1: Local area network. 2: Relatively limited in size. 3: Computers connected in small area. 4: Same office. 5: Can support limited number of nodes.

2: MAN =  MAN stands for Metropolitan Area Network. A Metropolitan area network is a network that is utilized across multiple buildings.Commonly used in school campuses or large companies with multiple buildings. Is larger then a LAN, bit smaller then a WAN. Is also used to mean the interconnection of several LAN's by bridging them together.This sort of network is also referred to as a campus.
3:WAN =  WAN is stands for Wide Area Network. Network over a large area like a city, a country or multiple countries connect multiple LAN together.Generally utilized different and much more expensive networking equipment then LAN. The Internet is most popular WAN.

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4: PAN = PAN is stands for Personal Area Network. A PAN is a network that is used for communicating among computers and computer devices in close proximity of around few meters within a room. It can be used for communicating between devices themselves or for connecting to a larger network such as the internet.