In VPN technology, what does 'tunneling' refer to?
- Authenticating users through a secure channel
- Encapsulating data in a secure outer layer
- Encrypting data at the application layer
- Establishing a physical connection over the internet
Tunneling in VPNs involves encapsulating data in a secure outer layer, adding an additional layer of protection to transmitted information. This process ensures that data remains secure during transit over untrusted networks. Understanding tunneling is crucial for comprehending how VPNs establish secure communication channels and safeguard sensitive data from potential threats.__________________________________________________
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