PrepAway - Latest Free Exam Questions & Answers

Which of the following is not an element that can threa…

Electrical systems are the lifeblood of computer operations. The continued supply of clean, steady power is
required to maintain the proper personnel environment as well as to sustain data operations. Which of the
following is not an element that can threaten power systems?

PrepAway - Latest Free Exam Questions & Answers

A.
Transient Noise

B.
Faulty Ground

C.
Brownouts

D.
UPS

Explanation:
An uninterruptible power supply (UPS) helps to ensure the continued supply of clean, steady power; it does not
threaten it.
An uninterruptible power supply (UPS) is an electrical apparatus that provides emergency power to a load when
the input power source, typically mains power, fails. A UPS differs from an auxiliary or emergency powersystem or standby generator in that it will provide near-instantaneous protection from input power interruptions,
by supplying energy stored in batteries, supercapacitors, or flywheels. The on-battery runtime of most
uninterruptible power sources is relatively short (only a few minutes) but sufficient to start a standby power
source or properly shut down the protected equipment.
Incorrect Answers:
A: Transient Noise is an element that can threaten power systems. Therefore, this answer is incorrect.
B: Faulty Ground is an element that can threaten power systems. Therefore, this answer is incorrect.
C: A brownout is a prolonged period of lower than expected voltage; this an element that can threaten power
systems. Therefore, this answer is incorrect.

https://en.wikipedia.org/wiki/Uninterruptible_power_supply


Leave a Reply