单项选择题
A.Reboot the server and restore files using ASR.
B.In Device Manager， locate the device， and click Roll Back Driver at the driver tab.
C.Restore the driver from the previous backup tape.
D.Go to Device Manager， locate the device， and click Restore Previous Driver at the driver tab.
单项选择题 Whichofthefollowingisabestpracticethatcanbeusedtoensureconsistencywhenbuilding systems？（）
单项选择题 Anadministratoriscreatingabusinesscontinuityplan.Whichofthefollowingwouldbedone FIRSTinordertodevelopthisplan？（）
多项选择题 While troubleshooting a video problem on an application server, the system administrator has determined that the video firmware should be updated. Which of the following sources should be used to locate an appropriate update for this hardware?（）