CWNP
CWNA-106 · Question #19
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 correct answer is C. 802.11ac devices support the features of the VHT PHY only in the 5 GHz frequency band. See the full explanation below for the reasoning.
Question
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?
Options
- A802.11n OFDM is more susceptible to high-power, narrowband interference than 802.11a
- BIn order to earn Wi-Fi Alliance certification, 802.11n clients stations are required to support both
- C802.11ac devices support the features of the VHT PHY only in the 5 GHz frequency band.
- D802.11ac is not backwardly compatible with 802.11n or 802.11a.
- EWhen HR/DSSS devices are present, VHT MCS rates are disabled for the entire BSS.
How the community answered
(20 responses)- A5% (1)
- B5% (1)
- C70% (14)
- D15% (3)
- E5% (1)
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