Chapter 10

Question 1

PIDAS

Answer 1

Perimeter intrusion detection and assessment system;
Tall inner wall with lower outer walls to create gap

Question 2

Physical security order of operations

Answer 2

Deter
Deny
Detect
Delay
Determine
Decide

Question 3

MTTF - replace before that
MTTR - repair before that

Question 4

SCIF - sensitive compartmented information facility

Answer 4

Usually by gov’t agencies and contractors to store/view/update sensitive info

Question 5

UPS

Answer 5

Double conversion - battery is inline
Line-interactive - switch over to battery on failure

Question 6

Fault: A momentary loss of power
Blackout: A complete loss of power
Sag: Momentary low voltage
Brownout: Prolonged low voltage
Spike: Momentary high voltage
Surge: Prolonged high voltage
Inrush: An initial surge of power usually associated with connecting to a power source, whether primary or alternate/secondary
Ground: The wire in an electrical circuit that provides an alternate pathway for electricity to flow to the earth (i.e., the ground)

Question 7

Data center
Temp: 15 - 32 C
Humidity: 20 - 80 %

Question 8

Fire Triangle

Answer 8

Fuel, Heat, Oxygen

Question 9

Fire Extinguisher Classes

Answer 9

A: Common combustibles - water, soda acid
B: Liquids - CO2, gas, soda acid
C: Electrical - CO2, gas
D: Metal - dry powder
K: Cooking Oil, etc. - alkaline mixtures

Question 10

Fire detection mechanisms

Answer 10

Rate of rise
Flame actuated
Smoke actuated
Incipient smoke detect - detects chemicals

Question 11

Water suppression

Answer 11

Wet
Dry - fill on trigger
Preaction - 2 stages (fill, then release)
Deluge - large volume release

Question 12

Access control vestibule or mantrap

Answer 12

Double doored; prevent piggybacking or tailgaiting