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CISSP > Physical Security > Flashcards

Physical Security Flashcards

1
Q

Physical Security Threats (3)

A

Natural Disaster, Emergency Situations and Man-made Threats

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2
Q

Fire Triangle

A

Heat, Fuel & Oxygen

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3
Q

Fire - Class A

A

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

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4
Q

Fire - Class B

A

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

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5
Q

Fire - Class C

A

Electrical Fires. Extinguish with: CO2 or Halon

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6
Q

Fire Class D

A

Chemical or Grease fires. Requires special techniques

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7
Q

ESD

A

Electrostatic Discharge - static electricity. Low humidity.

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8
Q

EMI

A

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.

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9
Q

RFI

A

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

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10
Q

Electrical Events - Blackout

A

Total loss of power

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11
Q

Electrical Events - Fault

A

Momentary loss of power

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12
Q

Electrical Events - Brownout

A

Prolonged drop in voltage

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13
Q

Electrical Events - Sag

A

Short drop in voltage

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14
Q

Electrical Events - Inrush

A

Initial power rush

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15
Q

Electrical Events - Spike

A

Momentary rush in power

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16
Q

Electrical Events - Surge

A

Prolonged rush in power

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17
Q

Bob Frequently Buys Shoes in Shoe Stores

A

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

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18
Q

CPTED

A

Crime Prevention Through Environmental Design

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19
Q

Natural Access Control

A

Security Zones/Defensible Space (CPTED)

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20
Q

Natural Surveillance

A

Maximizing visibility and activity in strategic areas.

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21
Q

Mantrap

A

Access Control technique

22
Q

Security Guards

A

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

23
Q

Dumb Card

A

Security badge/photo ID

24
Q

Smart Card

A

Digitally encoded cards with IC or mag strip.

25
Q

Smart Card Types (4)

A

Magnetic stripe, Optical-coded, IC and Proximity Card

26
Q

Proximity Card Types

A

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.

27
Q

Biometric Access Controls

A

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

28
Q

Biometric Error Types (3)

A

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

29
Q

Physical Intrusion Detection Controls

A

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

30
Q

ESD Protective Measures (3)

A

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

31
Q

EM Protective Measures (3)

A

Install line conditioners; ensure proper grounding; use shielded cabling

32
Q

HVAC Safe Temperature Range

A

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

33
Q

Types of Fire Detection Systems (3)

A

heat-sensing, flame sensing & smoke sensing

34
Q

Fire Suppression System Types (2)

A

Water sprinkler & Gas Discharge

35
Q

Water (Sprinkler) Suppression System Types (4)

A

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

36
Q

Preaction Fire Suppression

A

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

37
Q

Gas Discharge Systems (3)

A

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

38
Q

Halon Gas

A

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

39
Q

Administrative Controls

A

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.

40
Q

Bollard

A

A post designed to stop a car or vehicle

41
Q

Tailgating

A

Following an authorized person into a building without providing credentials

42
Q

Fences - Heights

A

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

43
Q

Gate Types (4)

A

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

44
Q

Lighting - Types of Control (2)

A

Detective AND Deterrent

45
Q

Soda Acid

A

Used for class ‘A’ and ‘B’ fires (sodium bicarbonate)

46
Q

Dry Powder (fire suppressant)

A

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

47
Q

Wet Chemical (fire suppressant)

A

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

48
Q

Carbon Dioxide (CO2)

A

Smothers fire. Dangerous chemical, used in unattended areas.

49
Q

Halon and Halon Substitutes

A

Uses chemical reaction to suppress fire.

50
Q

Halon replacements

A

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

51
Q

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

A

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

CISSP (8 decks)

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