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Introduction A typical computer network, either LAN, MAN, or WAN is consists of a large number of communication devices along with communication medium or channels. To build a typical LAN, especially, we need to have computers, communication mediums or channels, …

Introduction A switch is used to connect the incoming link to the desired outgoing link and directs the incoming message to the appropriate outgoing link. A communication switch is used to allow/stop the flow of messages through the path connecting …

Introduction of Networking Model Most of the computer networks today are organized as a series of layers arranged as a stack one upon another. The layering of network model is done in order to divide the workload or division of …

Introduction This is also called LAN topology because of these are mostly and mainly implemented in a LAN network. Definition Network topology is the study of geometric or graphical arrangement or mapping or layout of the network elements (may be …

Classification of Computer Networks (A) Based on network physical geographical size/area and the area they cover, computer networks are classified into the following types: – This is one of the most common types of computer networks. (1.) Personal Area Network(PAN)  …

Transmission/Communication Medium or Channel: A communication medium or channel is also known as a Transmission medium or channel. The transmission medium is the physical path/connection between transmitting and receiving devices in a data transmission system of a computer network. Transmission …