Question: Why is Generic Routing Encapsulation ( GRE ) is often used with other protocols in a VPN solution? answer It lacks mechanisms for authenticating users

Why is Generic Routing Encapsulation (GRE) is often used with other protocols in a VPN solution?
answer
It lacks mechanisms for authenticating users or devices.
It operates exclusively at the Application layer.
It is incompatible with IP-based networks.
It provides strong data encryption.

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