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

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

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

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