Three physical media are defined in the original 802.11 standard: DSSS, FHSS,and ________.
A)GFSK
B)UNNI
C)infrared
D)Barker sequence

Question

Quizplus · Accepted Answer

The three physical media defined in the original 802.11 standard are DSSS, FHSS, and infrared. Therefore, the missing option is C, as GFSK and Barker sequence were not included in the original standard, and UNNI is not a valid option.

Three Physical Media Are Defined in the Original 802