单项选择题
Which of the following commands are used to create folders in a command prompt？（）
A.CD B.RD C.MD D.SD
多项选择题 WhichofthefollowingdescribeshowtosettheRead-onlyattributeonafolder？（）
多项选择题 AcompanymayusetheWindowsXPProfessionalMUIPackbecausethecompany：（）
单项选择题 Whichofthefollowingsequencesofstepscanbeusedtoincreasetheamountofvirtualmemory（pagememory）availabletoWindows？（）
