Question

All of the following about wireless wide area networks (WWAN) are true EXCEPT ________.

1) The single WWAN network standard insures compatibility of handsets within and between countries.
2) Most WWANs are cellular phone networks.
3) At the center of each cell is a base station transceiver or cell tower that is used to send and receive signals to and from mobile devices operating within the cell.
4) When a device is turned on, a SIM card inside the device identifies itself to the WWAN.

Answer 1

All statements about wireless wide area networks (WWAN) are true except for the compatibility of handsets within and between countries.

Step-by-step explanation:

All of the statements about wireless wide area networks (WWAN) provided in the question are true, except for statement 1) The single WWAN network standard insures compatibility of handsets within and between countries. While WWAN networks do provide compatibility within a country, there are differences in network standards between countries, which can affect the compatibility of handsets.