Networks can be classified by their scale into PAN, C MAN,, and the Internet. QUESTION 7 Local Area Networks connect devices in a home or office building. O True O False QUESTION 8 A VPN Virtual Private Network) is a WAN built from virtual links that run on top of the Internet. True O False QUESTION 9 Protocol caing s he main structuring method used to divide up netwok functionality. True O False QUESTION 10 Voice over IP in the Internet uses acknowledged datagram service. True O False QUESTION 11 Reference models describe the layers in a network architecture. O True O False