Which of the following commands on the wireless interface of a Cisco 3845 Integrated Service Router allows the SSID to broadcast？（）

单项选择题Ifitisproperlydeployed，acontroller-basedaccesspointiscapableofmonitoringallVLANsonanetworkwhenyouselectwhichofthefollowingmodesfromtheAPModedrop-downmenuonthecontroller？（）

A.Monitor
B.Rogue Detector
C.Sniffer
D.Mirror

单项选择题You review the Failed Attempts logs on an AAA server and find：  unknown network access servererror.   Which failure could produce this error？（）

A.failure of the wireless client and AAA server handshake
B.supplicant authentication failure
C.AAA client and AAA server handshake
D.Wrong password used by the supplicant

单项选择题You are using ADU and are authenticated and associated to an access point. However， you are unable to obtain an IP address. Which of these has caused this problem？（）

A.invalid SSID
B.invalid 802.1X authentication type
C.invalid encryption type
D.invalid WEP key

单项选择题You are configuring a wireless LAN controller for QoS. Which 802.11e user priority tag should you apply to voice applications？（）

A.1
B.3
C.4
D.6

单项选择题A client roams from H-REAP AP1 to H-REAP AP2. The client is unable to associate to H-REAP AP2.H-REAP AP2 has six other clients associated to it， which continue to pass traffic. What has causedthis problem？（）

A.H-REAP AP1 lost its connection to the controller.
B.H-REAP AP2 lost its connection to the controller.
C.H-REAP AP1 has reached its client limit.
D.H-REAP AP2 has reached its client limit.