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CISSP (Domain 10 - Physical (Environmental) Security) Flashcards

1
Q

Crime Prevention Through Environment Design (CPTED)

LTCH

A
  • Landscape (enhance view)
  • Territory (visitor parking)
  • Controlled Access Points (Walkways)
  • Harden the target (Locks on Doors)
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2
Q

Physical Controls

A
  • First line of defense

- Perimeter protection (terrain, fences)

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3
Q

Technical Controls

A
  • Proximity devices

- IDS

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4
Q

Supporting Facility Controls

A
  • Electrical Power

- Heating, ventalation

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5
Q

Different in 3 Fence Heights

A
  • 3-4 feet: deters casual trespassers
  • 6-7 feet: too high to climb easily
  • 8 feet with 3 strands of barbed wire: deter determined intruder
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6
Q

Perimeter Intrusion Detection and Assessment System (PIDAS)

A

Detects if intruder goes under, through, or over a fence

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7
Q

Perimeter Wall

A
  • Reinforced concrete or solid brick

- Not less than 10 feet

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8
Q

Lights for Boundary Protection

A

Lights should overlap in coverage at least 8 feet high

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9
Q

Monitoring with CCTV Requirements

A
  • Detection
  • Recognition
  • Identification
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10
Q

CCTV Short Focal Length

A

Wider angel views

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11
Q

CCTV Long Focal Lenght

A

Narrower Views

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12
Q

3 Types of Proximity Devices

A
  • User Activated: Wireless keypad
  • Passive Systems: Powered by sensor
  • System Sensing/RFID: Reader transmits signal and user device sends access code
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13
Q

Fail-soft Door

A

Door defaults to being unlocked

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14
Q

Fail-secure Door

A

Door defaults to being locked

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15
Q

Fail-safe Door

A

Door defaults to a stat that protects life

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16
Q

Security Guard Functions

A
  • Deter and correct improper actions
  • Crhecking credentials at entry points
  • Ensuring company property does not leave the facility
  • Verify doors and windows locked
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17
Q

9 Best Practices for Entry Controls

A
  • Limit number of entrances to facility and computer rooms
  • Doors should resits forced entry
  • Screening device at every entrance
  • Log entries and exits
  • Watch for property leaving facility
  • Secure all openings
  • After unusual diversion, search facility
  • After suspicious activity, review logs
  • Do unscheduled inspections
18
Q

Primary Power Source

A
  • Provides day to day power

- Dedicated feeders from utility

19
Q

Alternate Power Source

A
  • Generator

- Backup supply when primary is down

20
Q

In-line UPS

A

Constantly provides power from its inverter even when power line is functioning property

21
Q

Standby UPS

A

Monitors power line and switches to battery power when problem deetected

22
Q

Desirable Features of a UPS

A
  • High MTBF Values
  • Allow for automatic system shutdown
  • Surge protection and line conditioning
  • Long battery life
  • EMI/RFI filters to prevent data errors
23
Q

Electromagnetic Interference (EMI)

A
  • Line noise

- Cause by lightning/electrical motors

24
Q

Radio Frequency Interference (RFI)

A
  • Line noise

- Fluorescent lighting, radio signals

25
Transient Noise
Disturbance imposed on a power line
26
2 Excess Power | SS
- Spike: Momentary high voltage | - Surge: Prolonged high voltage
27
2 Power Loss | FB
- Fault: Momentary power out | - Blackout: Prolonged loss of power
28
2 Power Degredation | SB
- Sag: Momentary low voltage | - Brownout: Prolonged power supply that is below normal voltage
29
4 Legs of a Fire | HFOC
- Heat - Fuel - Oxygen - Chemical Reaction
30
5 Classes of Fires
- *Class A (Ash): Wood/paper +Suppress: Water/soda acid - *Class B (Bottle): Liquid + Suppress: CO2, Argon, FM-200 - *Class C (Circuit): Electrical + Suppress: Halon, CO2, non-conductive - Class D (Death): Flammable + Suppress: Dry Powder - Class K (Kitchen): Kitchen + Suppress: Wet Chemicals
31
Ionization Smoke Detector
Reacts to charged particles of smoke (Early warning)
32
Thermal Detector
Alarm when there is a change in temperature
33
Photoelectric Smoke Detector
Alarms with source of light interrupted
34
Infrared Flame Detector
Reacts to emissions of flames
35
Protocol to stop the use of Halon
Montreal Protocol (1994), replaced with FM-200 and Inergen
36
Wet Pipes
- Always contain water - Usually discharged at predefined temperature - Pipes can freeze and break
37
Dry Pipes
- Water not in pipe - Release after a delay - Allows for shutdown before release
38
Pre-Action System - Water Pipes
- Combo of wet and dry pipe system | - Water released into pipe and link must melt before water is released
39
Duluge System
- Same as dry pipe but the sprinkler head is open | - Releases a lot of water fast
40
Piggybacking
They know someone is following them in
41
Tailgating
They dont know someone is following them in

CISSP (21 decks)

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