For a lightweight access point to participate in aggressive load balancing， it must have heard the client for how many seconds？（）

单项选择题The IOS of a North American Cisco Aironet 1230 Series access point has become corrupt， necessitating the need for a TFTP firmware reload. Before you press and hold the MODE button，what must the file be named in order for the reload to occur？（）

A.c1200-k9w7-tar.default
B.c1200-k9w7-tar.boot
C.c1200-k9w7-tar.123-7.JA1.tar
D.c1200-k9w7-tar.recover

单项选择题During the installation of the Cisco WCS， an error occurs. Where will the installation log be found？（）

A.at the root of the installation drive
B.in the Cisco WCS installation directory
C.on the desktop of the server
D.in the Cisco WCS\Logs directory

单项选择题A lightweight access point has been connected to a Catalyst 3550 24-PWR switch， and on power-up the access point fails. What is the problem with the switch？（）

A.The power supply has inadequate wattage.
B.Power is incorrectly configured on the port.
C.It does not support 802.3af Poe.
D.Power is not enabled on the port.

单项选择题Two access points running the core feature set are connected to the same switch and are providingguest services. If PSPF is enabled， what must be enabled on the switch to prevent clients fromseeing one another’s data？（）

A.port-based RADIUS
B.802.1q trunking
C.inline power
D.protected port

单项选择题AblinkinggreenLEDindicateswhichofthefollowingconditionsonaCisco1030RemoteEdgeAP？（）

A.startup
B.site survey mode
C.lost connection to the controller
D.duplicate IP address