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CISSP ISC2 2023 > CISSP (Domain 10 - Physical (Environmental) Security) > Flashcards

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
Q

Transient Noise

A

Disturbance imposed on a power line

26
Q

2 Excess Power

SS

A
  • Spike: Momentary high voltage

- Surge: Prolonged high voltage

27
Q

2 Power Loss

FB

A
  • Fault: Momentary power out

- Blackout: Prolonged loss of power

28
Q

2 Power Degredation

SB

A
  • Sag: Momentary low voltage

- Brownout: Prolonged power supply that is below normal voltage

29
Q

4 Legs of a Fire

HFOC

A
  • Heat
  • Fuel
  • Oxygen
  • Chemical Reaction
30
Q

5 Classes of Fires

A
  • *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
Q

Ionization Smoke Detector

A

Reacts to charged particles of smoke (Early warning)

32
Q

Thermal Detector

A

Alarm when there is a change in temperature

33
Q

Photoelectric Smoke Detector

A

Alarms with source of light interrupted

34
Q

Infrared Flame Detector

A

Reacts to emissions of flames

35
Q

Protocol to stop the use of Halon

A

Montreal Protocol (1994), replaced with FM-200 and Inergen

36
Q

Wet Pipes

A
  • Always contain water
  • Usually discharged at predefined temperature
  • Pipes can freeze and break
37
Q

Dry Pipes

A
  • Water not in pipe
  • Release after a delay
  • Allows for shutdown before release
38
Q

Pre-Action System - Water Pipes

A
  • Combo of wet and dry pipe system

- Water released into pipe and link must melt before water is released

39
Q

Duluge System

A
  • Same as dry pipe but the sprinkler head is open

- Releases a lot of water fast

40
Q

Piggybacking

A

They know someone is following them in

41
Q

Tailgating

A

They dont know someone is following them in

CISSP ISC2 2023 (90 decks)

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