When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones，which two general control settings should you select？（）

单项选择题WhichprotocoldoestheRADIUSserveruseinsidethesecuretunnelofEAP-FASTtoauthenticatetheclientwhenone-timepasswordsareinuse？（）

A.MS-CHAP v2
B.PAP
C.GTC
D.MD5

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？（）

A.Add 4GB RAM to the Cisco WCS.
B.Add a 120 GB hard drive to the Cisco WCS.
C.Add a new location appliance.
D.Add a new Cisco WCS server dedicated to the location appliance.

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？（）

A.The AAA server is set to accept both MS-CHAP v2 and GTC for PEAP authentication.
B.Clients have been set to validate the server identity.
C.Posture validation has not been enabled.
D.Clients and server are not using certificates.

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？（）

A.The minimum data rate is not set to 11 Mbps.
B.An address resolution protocol has been disabled
C.Publicly Secure Packet forwarding is enabled
D.The access point is set to the least congested channel.

单项选择题On a Cisco Aironet 1240AG Series standalone access point， the radio LED is dark blue and blinking，but the status LED and Ethernet LED are both off. What does this indicate？（）

A.A firmware upgrade is in progress.
B.An access point buffer overflow is occurring.
C.The internal radio has failed.
D.The access point is booting.