A virtual private network is a technology that produces a secure and encrypted link in excess of a less protected network, for instance, the internet. VPN is identified as the method which helps in extending a private network by the use of the public network.

There are various academies or organizations such as https://www.vpnacademy.com that offer VPN services and allows individuals to know more about it in deep.

Image Source: Google

There is also a need for various network connections along with some other factors that help in making the connectivity between the source and destination. And they are as follows:

Network:

In the IT sector, the network is a sequence of nodes that are interconnected via communication procession. Networks also encompassed of sub-networks.

Local Area Network (LAN):

LAN is a cluster of connected devices that distribute a communication channel. In general, those connected devices split the resources of a single processor surrounded by a small geographic area. LAN are able to serve not less than two or three users.

Metropolitan Area Network (MAN):

MAN is a set of connections that connects users with computer possessions in a larger area that is covered by the network of LAN but lesser than the region enclosed by WAN.

Network Backbone:

A backbone is a well-built broadcast line that bears information that is collected from the smaller lines that are interconnected with it.

Node:

In a network, a node is described as a connection point for distribution and transmitting the data. Generally, the programming of the node is designed with the capability to recognize and process it further for transmissions to another node.