PrepAway - Latest Free Exam Questions & Answers

A prolonged complete loss of electric power is a:

A prolonged complete loss of electric power is a:

PrepAway - Latest Free Exam Questions & Answers

A.
brownout

B.
blackout

C.
surge

D.
fault

Explanation:
A blackout is when the voltage drops to zero. This can be caused by lightning, a car taking out a power line,
storms, or failure to pay the power bill. It can last for seconds or days. This is when a backup power source is
required for business continuity.
Incorrect Answers:
A: A brownout is a prolonged low voltage, not a prolonged complete loss of power. Therefore, this answer is
incorrect.
C: A surge is a prolonged high voltage, not a prolonged power outage. Therefore, this answer is incorrect.
D: A fault is a momentary power outage, not a prolonged power outage. Therefore, this answer is incorrect.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 462-463


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