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Computer Networking Systems

 computer to computer networking

A network is a group of things that are connected together. In a computer network, the things that are connected are computers, of course. A computer network can be as small as two computers but there is no maximum size, and many networks have hundreds or thousands of computers.

There are three main reasons for computer networking:
Share information , Share resources, Centralized control

Usually, the connections between computers in a network are made using physical wires or cables however, some connections are wireless, using radio waves or infrared signals the generic term node or host refers to any device on a network. Data transfer rate is speed with which data is moved from one place on a network to another since data transfer rate is a key issue in computer networks.

Some Common terms to all Networks are:
Clients, Server, Workstation, Network interface card (NIC), Network operating system (NOS),
Host, Node, Shared resource, Topology
Connectivity device, Protocol, Addressing.
Transmission media.

Basic Networking Hardwares are:
Transceivers, Repeaters, Hubs etc

Type of Hubs:
Passive hub, Active hub, Switch, Bridge, Router, Gateway etc

Important factors to consider while selecting a Backbone Networking : Throughput, Network cost, Type of application, Ease of network management, Compatibility with current and future technologies.

Thus, Computer networking management is a purely technical function. In a world where connectivity is the key, expertise in networking can take you places.

The Career Opportunities in Computer Networking:
Network Administration
Network Technicians
Service Technicians
Network Programmers and Analysts
Network Managers
Network Security

 

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