Which of the following best describe sags?
A.
Sags occur over longer periods of time.
B.
Sags are a very high voltage level.
C.
Sags are short periods of time when the supply voltage is low.
D.
None of the above.
Explanation:
When the power supply drops below normal levels, sags and brownouts occur. Sags are short periods of time when the supply voltage is low.
Incorrect Answers:
A: Brownouts occur over longer periods of time
B: A spike is a very high voltage level
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 227-240.