EXERCISE 11.1 UPGRADING A DEVICE DRIVER . . . . 399EXERCISE 11.1 UPGRA...

4. E. IEEE 802.11g networks operate in the 2.4 GHz ISM band. 802.11a networks operate in

the 5 GHz UNII band. IEEE standards-based wireless networks do not use the 900 MHz

ISM band or the 2.4 GHz UNII band. For more information, see Chapter 4.