单项选择题 A Cisco WCS version 4.0 has been installed on a server with a dual Pentium 3.0 GHz processor，4GB RAM， and an 80 GB hard drive. A location appliance has been incorporated into the networkand is being monitored by the Cisco WCS. There are 3000 devices to be tracked but not all of themare being tracked on the Cisco WCS. What can be done to correct the problem？（）

单项选择题 Clients using Cisco-LEAP and EAP-FAST authentication are having no problems logging on to thewireless network， but clients using PEAP are failing to log on. Which situation would result in thistype of problem？（）

单项选择题 You are troubleshooting a one-way call problem with a Cisco 7920 wireless IP phone on a standalone WLAN. What may cause this problem？（）