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Q2 Single choice

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 OFDM.
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
802.11a/g devices may support WMM, but all 802.11n devices are required to support WMM.
D
An 802.11g/n AP that is configured to support only OFDM data rates will allow HR/DSSS devices to associate.
E
When HR/DSSS devices are present, HT MCS rates are disabled for the entire BSS.

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