which other 802.11 physical layer specifications (PHYs)?

seenagape

8 years ago

The IEEE 802.11-2012 standard requires VHT capable devices to be backward compatible with devices
using which other 802.11 physical layer specifications (PHYs)? (Choose 2)

A.
HT

B.
OFDM

C.
HR/DSSS

D.
ERP-PBCC

E.
DSSS-OFDM