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Wednesday 12 November 2014

Types of Networking

When more than one are computers linked together and are used to share any type of information or resources or any files needs to exchange, a telecommunications network or data network is used.  With the help of telephone, radio waves, lines, satellites, etc computers of a network could be connected successfully. The example of best known computer network is Internet. We can send emails, photographs, videos, documents, files etc.

Networks are broadly classified into two categories: LAN (Local Area Network) and WANs (Wide Area Network).

Networks that share some characteristics of both LANs and WANs are referred as MANs(Metropolitan Area Networks).

The hardware device which allows a computer to be connected to network both as physically and functionally is called as NIC (Network Interface Cards) or Network Card. NIC is a printed circuit board and is installed on one of expansion slots of computer and provides a port on back of computer to which the network cable is being attached.

The term Network Topology refers how the nodes (two or more computers) of a network are linked together. The data path that may be used between any pair of nodes in network is also referred by Network Topologies.

Types of Network Topologies

Star Network
Ring Network
Completely Connected Network
Hybrid Network
•Multi Access Bus Network


To install a computer networks a combination of factors are keep in mind

a. Performance of the system.
b. Number of nodes and their geographical distribution (size) of the system.
c. Availability of lines of communication.
d. Expandability of system.
e. Calculating the combined cost of components and services required to establish a network.



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