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VPNs function at various layers of the OSI model using specific tunneling protocols that vary in speed and security:

Encrypting all internet traffic to prevent eavesdropping or data theft, especially on public Wi-Fi. VPNs function at various layers of the OSI

Hiding a user's IP address and location from websites and trackers. VPNs function at various layers of the OSI

Bypassing geographical restrictions or censorship to access content not available in a specific region. 2. Technical Architecture and Protocols VPNs function at various layers of the OSI

Originally developed for corporate environments to allow remote workers to access local networks securely, VPNs are now widely used by individuals. Their primary functions include: