As a consultant, you’ve been hired by XYZ Company to provide recommendations about client device
selection, operation, and interoperability. What information should be considered to help them choose the
right WLAN client devices?

A.
802.11n OFDM is more susceptible to high-power, narrowband interference than 802.11a

B.
In order to earn Wi-Fi Alliance certification, 802.11n clients stations are required to support both 2.4 and
5 GHz frequencies

C.
802.11ac devices support the features of the VHT PHY only in the 5 GHz frequency band.

D.
802.11ac is not backwardly compatible with 802.11n or 802.11a.

E.
When HR/DSSS devices are present, VHT MCS rates are disabled for the entire BSS.