多项选择题
A.Use the remove hardware OS feature
B.Formatting the hard drive
C.Physical destruction
D.Degauss the drive
E.Overwriting data with 1s and 0s by utilizing software
单项选择题 ThepowersavingstateinwhichacomputercutspowertoallitsunneededpartsandcopiestheRAMcontenttotheharddriveiscalled（）
单项选择题 Asmallbusinesscurrentlyhasaserverroomwithalargecoolingsystemthatisappropriateforitssize.Thelocationoftheserverroomisthetoplevelofabuilding.Theserverroomisfilledwithincandescentlightingthatneedstocontinuouslystayonforsecuritypurposes.WhichofthefollowingwouldbetheMOSTcost-effectivewayforthecompanytoreducetheserverroomsenergyfootprint？（）