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Which type of fire extinguisher is MOST appropriate for…

Which type of fire extinguisher is MOST appropriate for a digital information processing facility?

PrepAway - Latest Free Exam Questions & Answers

A.
Type A

B.
Type B

C.
Type C

D.
Type D

Explanation:
The most likely type of fire in a digital information processing facility is an electrical fire. Class C fire
extinguishers are used for fires involving electrical equipment.
Class C fires are electrical fires which that may occur in electrical equipment or wiring. Class C fire
extinguishers use gas, CO2 or dry powders as these extinguishing agents are non-conductive.
Incorrect Answers:
A: Type A fire extinguishers use water or foam. These should not be used on an electrical fire. Therefore, this
answer is incorrect.
B: Type B fires are liquid fires such as gasoline. Some Type B fire extinguishers use CO2 which could be used
on an electrical fire. However, Type B fire extinguishers can also use foam which should not be used on
electrical fires. Therefore, this answer is incorrect.
D: Type D fires are combustible metals such as magnesium, sodium or potassium. Type D fire extinguishers
use dry powders designed for combustible metals and should not be used on electrical fires. Therefore, this
answer is incorrect.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, p. 472


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