Elementary Terminology related to Networks
whenever we talk of network, it includes the hardware and the software that make up the network. Now, let us have a look at some typical hardware components of network.
Node is any network device that can connect to the network and act as an endpoint. In other words, it is a server, client, or other resources that is attached to the network and has a unique network address. An endpoint is a source or destination of data where that data is generated or processed. devices like workstation, servers, printers, and even servers that host Web sites on the Internet are endpoints.
Client is a computer that retrieves information from or uses resources provided by a server or main computer. Each of these computer connects to a central server or mainframe, which allows a lot of the processing to be done on the client side instead of the server side and reduces the processing requirements of the server.
Server is a compute designed to process request and deliver data to other computers over a local network or the internet. Network servers typically are configured with additional processing, memory and storage capacity to handle the load of servicing clients.
Network media is the physical device through which various components of a computer network are connected with each other. It may include wires and cables. However, these days with advances in technology wireless communication between various components of a computer is also possible.
Network Interface Card
Network Card acts as the interface between a computer and a network cable. The purpose of the network card is to prepare, send and control data on the network. Each computer comes up with an inbuilt slot where NIC is plugged in which itself remain connected with a cable or wire.
Network Operating System
Network Operating System (NOS) is a software program that controls other software and hardware running on a network. It also allows multiple computers, known as network computers, to communicate with one central hub and each other to share resources, run applications, and send messages. Some of the popular network operating systems are: Novell Netware, Microsoft Windows NT, Microsoft Windows 2000, Microsoft Windows XP and Linux.
Network protocol is a set of rules that governs the communications between computers on a network. These rules include guidelines that regulate the following characteristics of a network: access method, allowed physical topologies, types of cabling, and speed of data transfer.
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