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

A.1000BASE-SX SFP
B.10/100/1000 Mbps RJ45
C.10/100 Mbps RJ45
D.10000BASE-SX

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？（）

A.75 percent
B.85 percent
C.56 percent
D.55 percent

单项选择题The IOS of a North American Cisco Aironet 1130AG Series standalone access point has becomecorrupt. You must therefore reload the TFTP firmware. Before you press and hold the MODEbutton. You should verify that the file name is which of the following？（）

A. c1130-k9w7-tar.boot
B. c1130-k9w7-tar.123-7.JA1.tar
C. c1130-k9w7-tar.default
D. c1130-k9w7-tar.recove

单项选择题Intheoperatephase，providingandmaintainingreliable，currentinformationabouttheWLAN system hardware，software，andapplicationspertinenttothesystem’sindividualcomponentsandattributesispartofwhichservicecomponent？（）

A.Problem Management
B.Configuration Management
C.Incident Management
D.Change Management

单项选择题Inorderforacontroller-basedaccesspointtobeallowedtoparticipateinaggressiveloadbalancing，it musthaveheardtheclientwithinhowmanyseconds？（）

A.15
B.10
C.1
D.5