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Which of the following uses a tunneling protocol?
Which of the following uses a tunneling protocol?
A . Internet
B . VPN
C . Extranet
D . VLAN
Answer: B
Explanation:
Tunneling enables the encapsulation of a packet from one type of protocol within the datagram of a different protocol. For example, VPN uses PPTP to encapsulate IP packets over a public network, such as the Internet.
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