The electrical power to the Domain.com office has become unstable and brownouts have become a regular occurrence. Which of the following should the Domain.com technician implement to protect the computer from these brownouts?
A.
A power conditioner.
B.
A surge protector.
C.
A generator.
D.
An Uninterruptible Power Supply (UPS).
Explanation:
An Uninterruptible Power Supply (UPS) system is a backup power system that utilizes batteries to provide short-term power when a power losses such as a black out or a brownout is detected.
Incorrect Answers:
A: Power conditioner devices assist in keeping the electrical service constant by monitoring and regulating the power in the building. These devices can activate backup power supplies.
B: Surge protectors are passive devices that are used to protect electrical components from spikes in the power line. Surge protectors usually utilize Metal Oxide Varistors (MOVs) to shunt the voltage spike to ground.
C: A generator is used when a continuous power supply is needed in power loss situations and is activated when a loss in power is detected. It does not protect electrical components from spikes in the power line.
References:
Mike Pastore and Emmett Dulaney, Security+ Study Guide, 2nd Edition, Sybex, Alameda, 2004, p 249.
Andy Ruth and Kurt Hudson, Security+ Certification Training Kit, Microsoft Press, Redmond, 2003, Chapter 9, Lesson 1
Todd Bill, The Security+ Training Guide, QUE Publishing, Indianapolis, 2003, Chapter