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Introduction: -
A computer network or network is a cluster of connected host computers. There are fundamentally two types of networks: public network and private network. A public network is a network where every host/node/user can access and share a data and resources which are available in network while in a private network only an authorized host/node/user can access a data and resources. In computer network, a private networktransversely a public network and ensures users to transfer and receive information/data across public or shared networks are known as VIRTUAL PRIVATE NETWORKs. A VPNs are logical network not a physical network.
a) Scopes:
A virtual private network or VPNencompasses a non-public network across a public network and allows users to send and get hold of facts throughout shared or public networks.
A VPN can able to works on any devices and different configuration local and remote machines. It’s establish a secure encrypted(convert in some secret code)connection for communication. For achieve privacy and security VPN networks hide IP (Internet Protocol) address of machines.A VPN networks are scalable i.e. we can add a new machine in an existing network or easy to grow a network.
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