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Describe what a VPN is and how it works?

Answer Posted / sumit

VPN stand for Virtual private network,It is service which
provides Secure network connection between private network
over a public network, VPN create tunneling between site to
provide encryption on data and secure our data from hacking
VPN use two protocol such as PPTP(Point to Point tunneling
protocol) and L2TP(Layer two tunneling protocal).

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