and CORRECT Answers
"Concentric Zone" or "Layers of Protection" Theory - CORRECT ANSWER - practice of
layering independent security devices & protocols: walls, access control systems, rooms, vaults,
building exterior. AKA onion theory
Risk Assessment - CORRECT ANSWER - measure of potential harm from undesirable
event: threat, consequence, vulnerability
Physical Security Assessment/Survey - CORRECT ANSWER - comprehensive
examination to identify: assets, weaknesses/vulnerability, predict problems, make
recommendation/countermeasures
Concept of Opportunity Reduction - CORRECT ANSWER - 3 ingredients necessary for a
crime to be committed (Threat Element Triangle): motivation, tools & means, opportunity
Purpose of Barriers - CORRECT ANSWER - define, direct, deter, delay, detect
Types of Barriers - CORRECT ANSWER - perimeter protection (natural, manmade,
opaque, transparent), anti-ram vehicle barriers, portable (wooden/plastic windbreak fencing, dirt-
filled planters, water-filled barriers)
Purpose of Protective Lighting - CORRECT ANSWER - prevent, camoflage, conceal,
psychological impact
Types of Security Lighting - CORRECT ANSWER - incandescent, fluorescent, mercury
vapor, low-pressure sodium, high-pressure sodium, metal halide, light-emitting diade (LED)
Acess Control Systems (ACS) - CORRECT ANSWER - require ID of person attempting
entry: personal recognition, unique possession, unique knowledge, unique biometrics
,Intrusion Detection System (IDS) Parts - CORRECT ANSWER - sensor, control unit,
transmission, signal device
Video Monitoring Systems (VMS) Components - CORRECT ANSWER - camera,
monitors, recorders
Metal Detector Limitations - CORRECT ANSWER - cannot detect all things,
environment must be free of metal disturbances, need dedicated line, vibrations, needs
calibration, older system can be cheated with ankle straps
X-Ray Limitations - CORRECT ANSWER - operator skill level, lead (shielding),
explosives camoflages, plastic, disguised weapons
Under Vehicle Inspection System (UVIS) Limitations - CORRECT ANSWER -
experience of operator, vehicular traffic throughput may slow egress, maintenance of equipment
Effects of an Explosion - CORRECT ANSWER - thermal, blast pressure, fragmentation
effect
Thermal Effects of an Explosion - CORRECT ANSWER - observable, may cause
localized ignition of highly combustible materials, generally least damaging effect of an
explosion
Blast Pressure Effect of an Explosion - CORRECT ANSWER - positive (waves moves
outwarrd) and negative (partial vaccuum created near epicenter) phases
Physiological Effects of Blast - CORRECT ANSWER - 4 types of injuries can be
sustained: primary, secondary, tertiary, quaternary
Primary Blast Injury - CORRECT ANSWER - caused by direct effects of the blast
, Secondary Blast Injury - CORRECT ANSWER - caused by propelled fragmentation
Tertiary Blast Injury - CORRECT ANSWER - occurs when casualty's body is propelled
by blast against the ground, equipment, structures, or other stationary object
Quaternary Injury - CORRECT ANSWER - other injury such as crash injuries or burns
Fragmentation Effect - CORRECT ANSWER - casing from device ruptures, breaking into
fragments that are propelled away from the center of detonation at high velocities
Improvised Explosive Device (IED) Components - CORRECT ANSWER - Power
Sources, Intiator, Explosive, Switch, Container (not always present)
Vehicle-Borne Improvised Explosive Device (VBIED) - CORRECT ANSWER - vehicle
modified to conceal & deliver a large IED to a target for the purpose of inflicting mass casualties
& catastrophic property damage. 3 primary types of initiation: timed, command, suicide
Exterior Building Search Procedure - CORRECT ANSWER - outside to inside, bottom to
top, public to private
Interior Building Search Procedure - CORRECT ANSWER - one floor at a time
focus on lobbies, elevators, restrooms, stairwells
Individual Room Search Procedure - CORRECT ANSWER - begin at entryway to detect
unusual sounds or odors, move to center
minimum of two people, split room in half and search by level (1-4)
identify room as clear when done