Which of the following terms describe a short periods of time when the supply voltage is low?
A.
A spike
B.
Sags
C.
Brownouts
D.
A surge.
Explanation:
Sags are short periods of time when the supply voltage is low.
Incorrect Answers:
A: A spike is a very high voltage level.
C: Brownouts occur over longer periods of time.
D: A surge is a voltage increase that occurs over a longer period of time References: Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 227-240.