Computer Networking Classification


Computer Networking Classification

What is Computer Networking?

Computer Networking Classification

Network is very important to us for communication with one person to another person from different location in world. Computer is a counting device. After using hardware and software in the machine for communicate more than one computer machine. When need or transfers any data or information from one computer machine to another computer machine then connect more than one computer by cable or radio wave. Without Network system we are cannot data transmission to very fast and easy. Networks are available used to computer. Computer Networks is a process, when more than one computer connected by cable or radio wave for transferring data or information, this process is known as Computer Networks. Most people used the computer network for sharing various types of data or information very easily. Many types of input device and output device are connected with computer networks system. Like as- Web Cam, scanner, printer, speaker etc.

The classification of Networks

Computer networks can classified into three categories:

LAN (Local Area Network)
MAN (Metropolitan  Area Network)
WAN  (Wide Area Network)


More than one computer connected with a cable to LAN network. Links between two or more computers within a limited area (such as, within one km.) by a computer network. This type of computer network is called Local Area Network. LAN is used to different room from one or more building, office campus area etc. LAN is used for data processing, e-mail etc.


MAN connected all computers are connecting with fibber optic cable. Metropolitan Area Network is a networking system that range within a metropolitan city. It makes with some as Local Area Network system. It is a high speed network system. It’s speed up to 200 MBPS (mega bit per second). These types network range from 10 km to 120 km.


Wide Area Network is a computer network system which connects much number of computers in the world by radio wave. These types of computer network used telephone line or sate light system for data transmission.

Network Devices:

Data transmission from one computer to another computer then a computer connected with more than one computer by using cable or radio media. This system is known as Networking. Some devices are used to Network system. Like as- Hub, Bridge, Switch etc.


HUB is a central machine of networking system. More than one computer connected with a central device by cable in star topology. The central device is known as HUB. More than one computer connected with Hub by the port. The port have a Hub normally 4, 8, 16 up to 24, same number of computer connected with the Hub. The media of Hub between computer machines is UTP cable. The length of UTP cable is 100 meter. One computer is damage for some problem but the network system is running for this Hub. Every computer or node connected with Hub by single cable for this resin this type of networking system is very expensively.


Bridge is a machine which can attach the two different type of network and divided many small networks from any big network. The data are sending which side this system are fully control by the Bridge. These types of system are not control by the Repeater. So Bridge made a adders table. Which table are control the path of sending information. Bridge is used for data link of OSI model.


Data transmission from a computer to another computer by using Hub then the lack of security in data pack because the data accepted all computers in connected with a network. But the data transmission between two computers by using Switch then the security of data pack fully save because without sender computer and receiver computer otherwise any another computer do not accepted this data. Switch is a connector device or machine to more than one computer.

Network Topology:

More than one computer connected with Local Area Network (LAN) by cable. This system is known as network topology. The entire computer connects within network topology each computer is known as node. Three types of topology are used in the LAN network. Like as- Bus Topology, Star Topology, Ring Topology.
Bus Topology: Bus topology is normal and simple network topology within Local Area Network because this type of topology connects more than one computer by using only a cable. This type of cable is known as Backbone cable or Trunk. The data transmission from one computer to another computer by these Backbone cable or Trunk with electronic symbol and the signal send to any one computer but check this signal all networking topology connected computer. Then only this computer accepts this signal and other computers reject the signal. The range of cable is very short for Bus topology. The range of cable is maximum 180 to 185 meter.
Ring Topology: More than one computer connected with a cable just like a ring. So this type of topology is known as Ring topology. All the computers are connected with a cable like a ring so the two side of cable is joining a part. So send any data or information then the data or information read all computers within in this topology. Data transmission from two side of this topology, so any one computer face problem and then send data from another side. All the computers are connected with closed loop. The example of Ring network topology is Fibber Distribution Data Interface (FDDI).
Star Topology: Many computers are connected with a central computer, like as star. This type of topology is known as Star Topology. The central computer is known as Hub. The data transmission of all computers via Hub. A computer sends a data or information to another computer then central computer accept the data at first and after accept data another computer.

What is Internet?

Internet is a large type of network where are connected much number computers. Internet spread whole world and data transmission any location from world. Internet is a system, now our society used mostly for the data transmission speed is very fast and expenses are very chip. Many types of small network connectivity build a large type of network. This type of large network is called Internet. Internet have a huge amount of data or information so every teaching institute, school, college, Govt. Office, corporate sector data transmission to each other very easily. By Internet now a day’s every information collection from own house.

Types of Internet connection:

Two type of Internet connection. This are-

  1. Dial-up connection

  2. Leased line connection



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Computercoursestudy: Computer Networking Classification
Computer Networking Classification
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