[Cisspstudy] Shon Harris Physical Security Questions pt2

[Andrea Gatta]

Any chance to have the exact question ?

Andrea

On Mon, Sep 28, 2009 at 11:03 PM, Holland, Brandon <hollandb at frmaint.com>wrote:

>  Have a question on types of fire detectors:
>
> Shon Harris states that there are two types: Heat activated and Smoke
> activated.
>
> I was reading a quiz book Mike’s CISSP Passport I believe it’s called (have
> to get it at the house to find the question) but it specifically asked
> what of the types listed was not a valid type of detector…
>
> I can’t remember the question specifically enough to give the answers, but
> I believe it was smoke, heat and flame, and the forth I’m not sure on but
> believe was “optical.”  Having over-analyzed this to insanity, I’m asking
> for feedback on this.
>
> According to Wikipedia (*http://en.wikipedia.org/wiki/Fire_alarm_system*<http://en.wikipedia.org/wiki/Fire_alarm_system>)
> there are a whole bunch of different types
>
> “Automatically activated devices can take many forms intended to respond
> to any number of detectable physical changes associated with fire: convected
> thermal energy; *heat detector*<http://en.wikipedia.org/wiki/Heat_detector>,
> products of combustion;*smoke detector*<http://en.wikipedia.org/wiki/Smoke_detector>,
> radiant energy; *flame detector*<http://en.wikipedia.org/wiki/Flame_detector>,
> combustion gasses; *carbon monoxide detector*<http://en.wikipedia.org/wiki/Carbon_monoxide_detector>
>  and release of extinguishing agents; water-flow detector. The newest
> innovations can use cameras and computer algorithms to analyze the visible
> effects of fire and movement in applications inappropriate for or hostile to
> other detection methods.”
>
> I guess if I were to answer the question now I’d pick optical (as NOT
> being valid), as multiple detectors use an optical sensor but in different
> ways, to achieve the goal of detecting the fire by their specific method.
>
> Any feedback on this?
>
> Brandon Holland
>
> Army Fleet Support
>
> ITS | Network Services
>
> Ph:  598-0626
>
>
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