Which two are considered as characteristics of the original 802.11 protocol?

A.	The most common deployment is three non-overlapping channels that are 20 MHz wide.
B.	Defined FHSS and OFDM as possible methods for modulation.
C.	The most common deployment is 6 non-overlapping channels that are 20 MHz wide.
D.	Designed to operate in the 5 GHz ISM frequency spectrum.
E.	Defined DSSS and FHSS as possible methods for modulation