Data Link Layer Question:
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What is Virtual Private Network?


Virtual Private network is a network that used the public telecommunication infrastructure. This means that it used public wires to connect the nodes. E.g. Internet. VPN supports remote access to computers and allow data to be transmitted over this public network. Even though the data is transmitted over a public network, encryption and decrypting data to ensure security.

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Do you know what Is a MAC Address?Explain what are the responsibilities of Data Link Layer?