Which of the following would be the maximum number of devices in a single chain that USB technology will allow？（）

单项选择题WhichofthefollowingdesktophardwareshouldatechnicianbeMOSTconcernedwithdisposingofcorrectly？（）

A.batteries
B.power cords
C.disk drives
D.hard drives

单项选择题Duringbootup，alaptopscreendisplaysverticalcoloredlinesandthentheLCDscreengoesblank.Therearenodisplayproblemswhenconnectedtoanexternalmonitor.Whichofthefollowingactionsshouldbetakentoresolvetheproblem？（）

A.Replace the laptop.
B.Replace the LCD screen.
C.Replace the LCD pixels.
D.Re-select the LCD in Device Manager.

单项选择题Whenconnectingalaserprintertoanetworkforthefirsttime，atechnicianshouldFIRST：（）

A.configure the network settings on the printer.
B.ensure the cable is set to TCP/IP.
C.enable the printer in the BIOS.
D.configure the printer as bi-directional in Windows.

单项选择题AworkorderstatesthatacustomerusedWindowsupdatesandafterrebootingthecomputer，thevideodriverwascorruptedandthecomputerwasinsafemode.WhichofthefollowingwouldbetheBESTactiontotake？（）

A.Download and install the correct video driver from the manufacturer’s web site.
B.Remove the video driver and reboot the computer.
C.Use the Driver Roll Back feature in Device Manager.
D.Go back to Windows update and specify the correct video driver.

单项选择题InwhichofthefollowinglocationswouldatechniciansettheLBAmodeforaharddrive？（）

A.Jumper Settings
B.Disk Manager
C.Device Manager
D.System BIOS