Explain the concept of VPN (Virtual Private Network) and its significance in WAN security. How does a VPN provide secure communication over public networks, and what types of VPNs are commonly deployed in WANs?

CMPTR
3rd Edition
ISBN:9781337681872
Author:PINARD
Publisher:PINARD
Chapter4: Computer Networks
Section: Chapter Questions
Problem 7QY
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Explain the concept of VPN (Virtual Private Network) and its significance in WAN security. How does a VPN provide secure communication over public networks, and what types of VPNs are commonly deployed in WANs?

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