Which of the following terms is used when printing data on both the front and the back of paper？（）

单项选择题Whichofthefollowingtechnologiescansaveserverspaceandcoolingrequirements？（）

A.Energy star ratings
B.Active solar panels
C.Network storage array
D.Blade servers

多项选择题Whichofthefollowingmethodseffectivelyremovesdatafromaharddrivepriortodisposal？（）

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（）

A.hibernate
B.shutdown
C.sleep
D.hypervisor

单项选择题Asmallbusinesscurrentlyhasaserverroomwithalargecoolingsystemthatisappropriateforitssize.Thelocationoftheserverroomisthetoplevelofabuilding.Theserverroomisfilledwithincandescentlightingthatneedstocontinuouslystayonforsecuritypurposes.WhichofthefollowingwouldbetheMOSTcost-effectivewayforthecompanytoreducetheserverroomsenergyfootprint？（）

A.Replace all incandescent lighting with energy saving neon lighting.
B.Set an auto-shutoff policy for all the lights in the room to reduce energy consumption after hours.
C.Replace all incandescent lighting with energy saving fluorescent lighting.
D.Consolidate server systems into a lower number of racks，centralizing airflow and cooling in the room.