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

802.11-2007 standard. While technically correct, the terminology used in the exam questions

often is not the same as the marketing terminology that is used by the Wi-Fi Alliance or the

manufacturers of WLAN equipment.

The most current IEEE version of the 802.11 standard is the IEEE 802.11-2007 docu-

ment, which includes all the amendments that have been ratified prior to the document’s

publication. Standards bodies such as the IEEE often create several amendments to a stan-

dard before “rolling up” the ratified amendments (finalized or approved versions) into a

new standard.

For example, you might already be familiar with the term 802.11g, which is a rati-

fied amendment that has now been integrated into the IEEE 802.11-2007 standard. The

technology that was originally defined by the 802.11g amendment is called Extended

Rate Physical (ERP). Although the name 802.11g effectively remains the more commonly

used marketing terminology, exam questions may use the technical term ERP instead of