单项选择题
A. Add another wireless access point.
B. Add another DHCP server.
C. Disable the wireless DHCP server.
D. Change the default gateway of the wireless router.
单项选择题 The server room that an administrator manages has just caught fire. Which of the following is the FIRST thing that the administrator should do?（）
单项选择题 An administrator is creating a comprehensive backup system to backup a single web server.Which of the following is the BEST way to provide full restore?（）
单项选择题 AnadministratorjustinstalledanewRAIDcontrollercardintoaserver.Thefirmwareiscurrentfor thecontrollercard.WhentheserverispowereduptheadministratornoticesthattheRAID controllercardisnotrecognizedduringPOST.Whichofthefollowingisthecauseoftheproblem？（）