CISSP questions: Physical Security

Which of the following is the preferred way to suppress an electrical fire?
CO2 or Halon or Halon ozone friendly replacement
CO2, soda acid, or Powder
water or soda acid
Co2 or soda acid

Question 233 | Difficulty level: 2/5 | Relevancy: 3/3
Correct answer: CO2 or Halon or Halon ozone friendly replacement
Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, page 335.
Details: It must be noted that Halon is now banned in most country or cities.
Study area: CISSP CBK domain #10 - Physical Security
Covered topic: Fire and smoke detection and suppression systems

This question is Sponsor by CCCURE, authorized by Clement.