试题内容

In the following description of the computer room environment, the error is ( )．
A．Antistatic floor can be used in the machine room
B．The decoration of the machine room must be made of fireproof materials
C．Avoid direct sunlight on the equipment and control the temperature in the machine room
D．The space between devices should be minimized to shorten the length of signal lines and avoid signal attenuation
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