Which benefit does the Wi-Fi Clear Connect provide?

A.
Allows 802.11a devices to operate in the vicinity of 802.11g devices.
B.
Enforces the Request to Send/Clear to Send (RTS/CTS) feature.
C.
Provides radio resource management capabilities to optimize WLAN performance
D.
Applies quality of services policies for wireless devices that are assigned a high-priority rating.
Explanation:
http://h20195.www2.hp.com/V2/GetPDF.aspx/4AA4-5077ENW.pdf(page 3, secondpara)