Which of the following should you NOT use to clean the interior areas of server racks and equipment? Choose all incorrect options?

A.
Compressed air systems.

B.
A soft cloth that has been moistened with water.

C.
Canisters of compressed air.

D.
A liquid substance.

Explanation:
Only compressed air must be used to clean theinterior areas of server racks and equipment. You must not use a soft cloth that has been moistened with water. Anything that consists of a type of liquid cleaning substance must not be used for cleaning of the interior areas of server racks.
Incorrect
Answers:
A: Large server farms usually contain compressed air systems that are used to clean the interior areas of server racks and equipment.
C: For smaller server farms, the use of canisters of compressed air is recommended.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 450-451.