TYPES OF NETWORKS
Depending on the geographical area covered by a network, there are various types of computer networks used worldwide, which are as follows:
PERSONAL AREA NETWORK (PAN)
PAN is a computer network that covers a small area of about 10 metres (about 30 feet). It is used for communication among devices, such as laptops, mobile phones, PDAs,s or smartphones. Personal area networks can either be wired or wireless. You can use these networks to transfer files including e-mails, calendar appointments, digital photos, and music.
LOCAL AREA NETWORK (LAN)
In LAN, two or more computers and peripheralDevices are connected within a small area, such as a room, or office terminals are physically connected With the wires. The data transmission speed is fast as compared to a WAN. A t operated in a small area, It can be controlled and administered by a single person or organisation.
CLUSTER AREA NETWORK (CAN)
CAN, Also known as campus area network, A series of small LANSs over a small Geographic area, As a college campus. This network covers an area smaller than MAN.
METROPOLITAN AREA NETWORK (MAN)
MAN Is a larger network than LAN. It is spread across a city. Since it covers an area of a few hundred kilometers city, it is called Metropolitan. The most common example of a MAN-type network is cable television, branches of a local bank in a city, etc.
WIDE AREA NETWORK (WAN)
This kind of network connects two or more computers located at different places. They are linked by communication facilities, like telecommunication or satellite signals. The most common example of a WAN-type network is a telecom system. The usage of WAN is limited to very large organizations and government agencies. The main characteristic of WAN is that it requires public telecommunication media to transfer data.
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