多项选择题

Which of the following methods effectively removes data from a hard drive prior to disposal？（）

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

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单项选择题

The power saving state in which a computer cuts power to all its unneeded parts and copies the RAM content to the hard drive is called（）

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

单项选择题

A small business currently has a server room with a large cooling system that is appropriate for its size. The location of the server room is the top level of a building. The server room is filled with incandescent lighting that needs to continuously stay on for security purposes. Which of the following would be the MOST cost-effective way for the company to reduce the server rooms energy footprint？（）

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.