CompTIA Exam Questions

Which of the following causes discolored ceiling?

Which of the following causes discolored ceiling?

A.
Presence of dust

B.
Water leak

C.
ESD

D.
None of the above

Explanation:
Discolored ceiling tiles can indicate the existence of some type of water leak.
Incorrect
Answers:
A: Dust on the equipment can cause overheating.
C: The server room should also be reasonably humidified to reduce the likelihood of damaging electrostatic discharge (ESD) occurring.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 473