Given: As the wireless network administrator for XYZ Company, you are planning to upgrade your...

CWNP CWDP-304 Question Answer

Given: As the wireless network administrator for XYZ Company, you are planning to upgrade your aging wireless network infrastructure, as well as

some clients, to support 802.11ac. In your research, you have discovered that your new wireless client devices and infrastructure are 802.11ac,

WMM, and WMM-PS certified by the Wi-Fi Alliance. Some of your existing client devices are 802.11a/b/g devices that do not support WMM.

Given this information, what scenario is possible when your company's employees begin using both types of client devices on the new WLAN?

All WMM-PS certified client devices will be prevented from utilizing WMM-PS features until all stations in use on the wireless medium are

WMM-PS certified.

The WLAN infrastructure will set the dozing times of the WMM-PS certified client devices based upon their WMM access category, while the

non-WMM-PS client devices will continue to use PS-Poll frames.

Performance and battery life will be inconsistent between WMM-PS and non-WMM-PS client devices when used with applications that

support WMM-PS.

WMM-PS enabled APs will allow both WMM-PS and non-WMM-PS stations to use the trigger-and-delivery mechanism, but WMM-PS stations wil

CWDP-304 PDF/Engine

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