A network is a group of two or more computer system linked together.

In computer networks, networked computing devices exchange data with each other using a data link.

There are many types of computer networks. Some are explained below

§  LAN

§  WAN

§  MAN


o    A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school etc.

o    Ethernet over twisted pair cabling and Wi-Fi are the two most common transmission technologies in use for local area networks.

o    Early LAN cabling had generally been based on various grades of coaxial cable.

o    Fibber-optic cabling is common for links between switches, but fibber to the desktop is uncommon.


o    It stands for wide area network.

o    A WAN is a telecommunications network or computer network that extends over a large geographical distance.

o    Related terms for other types of networks are personal area networks (PANs), local area networks (LANs), campus area networks (CANs), or metropolitan area networks (MANs)

o    Many technologies are available for wide area network links.

o    Examples include circuit switched telephone lines, radio wave transmission, and optic fibber.


o    It stands for metropolitan area network.

o    MAN is a network that interconnects users with computer resources in a geographic area

o    Also known as a municipal area network, networking technologies used in municipal networks

o    Include Asynchronous Transfer Mode (ATM), FDDI, and SMDS.

o    The Metropolitan Area Network (MAN) is a publicly owned network of ducting and fibre optic cable laid in a ring formation in a metropolitan area.

Difference between LAN WAN AND MAN:





Stands for local area network

Stands for metropolitan area network

Stands for wide area network

Its connection is a high-speed connection

It is a larger network that usually spans several buildings in the same city or town.

Its comparison to a MAN, is not restricted to a geographical location,


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