Networking Defined – What is Network/Networking – Types of Network

Networking Defined – What is Network/Networking – Types of Network

Basically computer networking is a part of Information Technology Which Explain how computers and different type of devices connect with each other for sharing data and resource.

What is Network/Networking ?

In Easy Words Network Means Interconnection.

Networking

Network is a group of nodes connected to each other using a communication medium . It can be any type of medium, the medium can be wired or wireless.

In Other Word A network is a Series Of points or nodes interconnected By Communication paths.

What is node

A node is a device which is capable to send or receive the information over the network. For Example computers are capable to send or receive the information over the network.

What is the benefits of networking

There are lots of Advantages from build up a network but the three big facts are:

  • Data Sharing
  • Resource Sharing
  • Program Sharing

Data Sharing

From sharing Data you can view, modify, and copy Data stored on a different computer on the network just as easily as if they were stored on your computer.

Resource Sharing

Resources such as printers, fax machines, Storage Devices (HDD, FDD and CD Drives), Webcam, Scanners, Modem and many more devices can be shared in the Network.

Program Sharing

Just as you can share files on a network, you can often also share program on a network. For example, if you have the right type of software license, you can have a shared copy of Microsoft Office, or some other program, and keep it on the network server, from where it is also run.

Types of Networks (Networking)

There are different types of network on basis of geographical area and technology, some of them are:

  • Local Area Networks (LAN)
  • Metropolitan Area Networks (MAN)
  • Wide Area Networks (WAN)
  • Storage Area Networks (SAN)
  • Intranet
  • Extranet
  • VPN

Local Area Networks (LAN)

Local area networks (LAN) are used to connect networking devices that are in a very close geographic area, such as a computer lab, a building itself, or a campus environment.

Metropolitan Area Networks (MAN)

A large computer network which extends to a city or to a large university campus is termed as metropolitan area network or MAN.
The purpose of MAN is to provide the link to the internet in the long run.

Wide Area Networks (WAN)

A WAN spans a large geographic area, such as a state, country. WANs often connect multiple smaller networks, such as local area networks (LANs) or metro area networks (MANs).
The world’s most popular WAN is the Internet. Many WANs are corporate or research networks that utilize leased lines.
WANs generally utilize different and much more expensive networking equipment than do LANs. Key technologies often found in WANs include SONET, Frame Relay, and ATM.

Storage Area Networks (SAN)

—Storage area networks (SANs) provide a high-speed infrastructure to move data between storage devices and file servers.

Intranet (Networking)

—An intranet is basically a network that is local to a company. In other words, users from within this company can find all of their resources without having to go outside of the company. An intranet can include LANs, private WANs and MANs.

Extranet

—An extranet is an extended intranet, where certain internal services are made available to known external users or external business partners at remote locations.

VPN (Networking)

A virtual private network (VPN) is a special type of secured network. A VPN is used to provide a secure connection across a public network, such as an internet. Extranets typically use a VPN to provide a secure connection between a company and its known external users or offices.

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