All the Following Describe a VPN Except

Multiple Choice

All the following describe a VPN except:

A) A VPN uses the Internet as its main backbone network.
B) A VPN relies on network firewalls, encryption, and other Internet and intranet security features.
C) A VPN uses the Internet to establish secure intranets between its distant offices and locations.
D) A VPN is available for use by anyone with access to the Internet.