多项选择题 WhenconfiguringaWLANcontrollerforavoiceapplicationusingCisco7920wirelessIPphones，which twogeneralcontrolsettingsshouldyouselect？（）

单项选择题 You are installing a Cisco 4402 Series Wireless LAN Controller. Which type of interface should you use on the controller’s distribution port？（）

单项选择题 By default， on the WLAN controller for a voice application using Cisco 7921 wireless IP phones. What is the percentage of RF bandwidth that can be dedicated to the phones？（）