🔵 Vpn is a virtual private network
🔴It is not a physical network
🔵 It is made using internet and other WANs to transmit data
🔴The data remains encrypted throughout the transmission and only decrypted at the destination computer
🔵 The process is called tunnelling as it uses a secure mean to tunnel through a publicly accessed network
🔴Allows organisations to communicate with each other
🔵 Normally consists of LANs that may be remote from each other...
...such as different branches of an organisation
🔴It enables organisations to communicate over a large area
🔵 It is cheaper than creating a conventional WAN
🔴The security used consists of firewalls, encryption, the use of IP security
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