Physical Security

Question 1

Physical Security Threats (3)

Answer 1

Natural Disaster, Emergency Situations and Man-made Threats

Question 2

Fire Triangle

Answer 2

Heat, Fuel & Oxygen

Question 3

Fire - Class A

Answer 3

Wood, paper, clothing, etc. Extinguish with: water or soda acid

Question 4

Fire - Class B

Answer 4

Gas or oil (fuel). Extinguish with: CO2, soda acid or Halon

Question 5

Fire - Class C

Answer 5

Electrical Fires. Extinguish with: CO2 or Halon

Question 6

Fire Class D

Answer 6

Chemical or Grease fires. Requires special techniques

Question 7

ESD

Answer 7

Electrostatic Discharge - static electricity. Low humidity.

Question 8

EMI

Answer 8

Electromagnetic Interference - Caused by different charges between the three electrical wires (hot, neutral and ground). Common-mode noise: hot and ground wires. Traverse-mode noise:hot and neutral wires.

Question 9

RFI

Answer 9

Radio Frequency Interference. Caused by electrical components such as fluorescent lights and electrical cables.

Question 10

Electrical Events - Blackout

Answer 10

Total loss of power

Question 11

Electrical Events - Fault

Answer 11

Momentary loss of power

Question 12

Electrical Events - Brownout

Answer 12

Prolonged drop in voltage

Question 13

Electrical Events - Sag

Answer 13

Short drop in voltage

Question 14

Electrical Events - Inrush

Answer 14

Initial power rush

Question 15

Electrical Events - Spike

Answer 15

Momentary rush in power

Question 16

Electrical Events - Surge

Answer 16

Prolonged rush in power

Question 17

Bob Frequently Buys Shoes in Shoe Stores

Answer 17

Blackout Fault, Brownout, Sag, Inrush, Spike, Surge

Question 18

CPTED

Answer 18

Crime Prevention Through Environmental Design

Question 19

Natural Access Control

Answer 19

Security Zones/Defensible Space (CPTED)

Question 20

Natural Surveillance

Answer 20

Maximizing visibility and activity in strategic areas.

Question 21

Mantrap

Answer 21

Access Control technique

Question 22

Security Guards

Answer 22

Advantages: use human judgement, deter through visibility and can perform multiple functions. Disadvantages: unpredictability, imperfections and cost.

Question 23

Dumb Card

Answer 23

Security badge/photo ID

Question 24

Smart Card

Answer 24

Digitally encoded cards with IC or mag strip.

Question 25

Smart Card Types (4)

Answer 25

Magnetic stripe, Optical-coded, IC and Proximity Card

Question 26

Proximity Card Types

Answer 26

Passive - no power, use EM field; Field-Powered - contain RF xmtr & power supply on card; Transponders - both card and reader contain a transceiver, control logic and battery.

Question 27

Biometric Access Controls

Answer 27

Types: Fingerprint, Hand Geometry, Retina Pattern, Iris Pattern, Voice & Signature Dynamics

Question 28

Biometric Error Types (3)

Answer 28

FRR (Type I), FAR (Type II) & Crossover Error Rate (CER)

Question 29

Physical Intrusion Detection Controls

Answer 29

Photoelectric sensors (light grid), dry contact and metallic tape (perimeter), Motion Detectors (Wave pattern, capacitance & audio)

Question 30

ESD Protective Measures (3)

Answer 30

Maintain humidity levels at 40 - 60%; Ensure proper grounding; Use anti-static flooring

Question 31

EM Protective Measures (3)

Answer 31

Install line conditioners; ensure proper grounding; use shielded cabling

Question 32

HVAC Safe Temperature Range

Answer 32

50 - 80 Fahrenheit. Magnetic media can be damaged at temps as low as 100F

Question 33

Types of Fire Detection Systems (3)

Answer 33

heat-sensing, flame sensing & smoke sensing

Question 34

Fire Suppression System Types (2)

Answer 34

Water sprinkler & Gas Discharge

Question 35

Water (Sprinkler) Suppression System Types (4)

Answer 35

Class A: Wet-pipe, Dry-pipe, Delunge & Preaction

Question 36

Preaction Fire Suppression

Answer 36

Sprinkler system that combines wet and dry pipe systems. Initially dry, pipes are charged when heat sensor is triggered.

Question 37

Gas Discharge Systems (3)

Answer 37

Carbon Dioxide, Soda Acid & Gas Discharge (Halon, Argon, Argonite, Inergen, etc.

Question 38

Halon Gas

Answer 38

Due to ozone depleting characteristics, discontinued and replace by: FM-200, CEA-410, NAF-S-III, FE-13, Argon, Argonite or Inergen.

Question 39

Administrative Controls

Answer 39

Policies and procedures: Restricted areas, visitor policies, personnel privacy, safety, audit trails and access logs, asset classification and control, emergency procedures, general housekeeping and employment screenings.

Question 40

Bollard

Answer 40

A post designed to stop a car or vehicle

Question 41

Tailgating

Answer 41

Following an authorized person into a building without providing credentials

Question 42

Fences - Heights

Answer 42

Deterrent: 3 ft, Preventative: 8 ft w/barbed wire

Question 43

Gate Types (4)

Answer 43

Class I: Residential, Class II: Commercial/general access (parking lot), Class III: Industrial/limited access; Class IV: Restricted Access (airport or prison)

Question 44

Lighting - Types of Control (2)

Answer 44

Detective AND Deterrent

Question 45

Soda Acid

Answer 45

Used for class 'A' and 'B' fires (sodium bicarbonate)

Question 46

Dry Powder (fire suppressant)

Answer 46

Used for flammable metals including sodium and magnesium. Smothers fir. e.g. sodium chloride.

Question 47

Wet Chemical (fire suppressant)

Answer 47

Used for household fires (classes A or K). Usually potassium acetate and water.

Question 48

Carbon Dioxide (CO2)

Answer 48

Smothers fire. Dangerous chemical, used in unattended areas.

Question 49

Halon and Halon Substitutes

Answer 49

Uses chemical reaction to suppress fire.

Question 50

Halon replacements

Answer 50

Argon, FE-13, FM-200, Inergen.

Question 51

Which Halon replacement is considered the safest, breathable in concentrations up to 30%

Answer 51

FE-13 (Inergen, FM-200 and Argon are breathable in concentrations up to 15%)