Sybex Chp 10

Question 1

If malicious people desire to gain access to your physical facility, __________ are the first line of defense, and __________ are the last line of defense.

Answer 1

If malicious people desire to gain access to your physical facility, PHYSICAL CONTROLS are the first line of defense, and PEOPLE are the last line of defense.

Question 2

__________ is a systematic effort to identify relationships between mission-critical applications, processes, and operations and all the necessary supporting elements.

Answer 2

Critical Path Analysis

Question 3

In physical security, the functional order of controls are:

delay
denial
deterrence
detection

Answer 3

In order:

deterrence
denial
detection
delay

Question 4

The expected typical functional lifetime of the device given a specific operating environment

MTBF
MTTR
MTTF

Answer 4

MTTF

Mean Time To Failure

Question 5

The average length of time required to perform a repair on the device

MTTR
MTBF
MTTF

Answer 5

MTTR

Mean Time To Repair

Question 6

An estimation of the time between the first and any subsequent failures

MTTR
MTBF
MTTF

Answer 6

MTBF

Mean Time Between Failures

Question 7

If the MTTF and MTBF are roughly the same, which one will some manufactures choose to show?

Answer 7

MTTF

Mean Time To Failure

Question 8

The walls of your server room should have a __________ minimum fire rating

Answer 8

one hour

Question 9

A short duration of line noise disturbance

Inrush
Noise
Transient
Fault

Answer 9

Transient - A short duration of line noise disturbance

Inrush - an initial surge of power usually associated with connecting to a power source

Noise - a steady interfering power disturbance or fluctuation

Fault - a momentary loss of power

Question 10

Computer room temperature should be kept at:

Answer 10

60 to 75 degrees

Question 11

Computer room humidly should be kept at:

Answer 11

40 to 60 percent.

Too much humidity causes corrosion.
Too little humidity causes static electricity.

Question 12

What type of fire extinguisher is used for common combustibles?

Answer 12

Class A - Water or Soda Ash

Question 13

What type of fire extinguisher is used for Liquids?

Answer 13

Class B - CO2, Halon, Soda Ash

Class B - NO WATER as liquids float on water

Question 14

What type of fire extinguisher is used for Electrical?

Answer 14

Class C - CO2, halon

Class C - NO WATER as water and electricity no do match

Question 15

What type of fire extinguisher is used for Metal?

Answer 15

Class D - Dry Powder

Oxygen suppression cannot be used for Class D as burning metal produces its own oxygen

Question 16

Always full of water, water discharges immediately when suppression is triggered

Deluge System
Wet Pipe
Dry Pipe
Preaction System

Answer 16

Wet Pipe

Question 17

Contains compressed air, once suppression is triggered, air escapes, opening a valve for water to fill the pipe

Deluge System
Wet Pipe
Dry Pipe
Preaction System

Answer 17

Dry Pipe

Question 18

Inappropriate for environments that contain electronics and computers

Deluge System
Wet Pipe
Dry Pipe
Preaction System

Answer 18

Deluge System

Question 19

The most appropriate system for an environment that contains people and electronics

Deluge System
Wet Pipe
Dry Pipe
Preaction System

Answer 19

Preaction System

Question 20

The most common cause of failure for a water-based system is __________

Answer 20

human error

Question 21

Destructive elements of a fire include:

Answer 21

smoke
heat
suppression media (water, soda ash)
fire department looking for hot spots with axes

Question 22

Fence that deters casual trespassers

Answer 22

Fence 3 to 4 feet high

Question 23

Fence that deters most intruders except determined ones

Answer 23

Fence 6 to 7 feet high

Question 24

Fence that deters even determined intruders

Answer 24

Fence 8 feet high with 3 strands barbed wire

Question 25

A form of a gate that prevents more than one person at a time from entering and restricts movement in one direction

Answer 25

turnstile

Question 26

A form of gate with double set of doors that is often protected by a security guard

Answer 26

mantrap

Question 27

Most commonly used form of perimeter control

Answer 27

lighting

Question 28

Most common and inexpensive form of physical access control

Answer 28

key locks

Question 29

Lighting should illuminate critical areas with __________ candle feet of power

Answer 29

2 candle feet of power

Question 30

Which type of alarm is nonsensical:

Deterrent Alarm
Preventive Alarm
Repellent Alarm
Notification Alarm

Answer 30

o such thing as a Preventive Alarm

Question 31

What type of control is this?

CCTV

Answer 31

Preventative Control

Question 32

What type of control is this?

Reviewing CCTV recorded events

Answer 32

Detective Control

Question 33

What type of control is this?

facility construction and selection

Answer 33

Administrative Control

Question 34

What type of control is this?

Construction materials

Answer 34

Physical Control

Question 35

What type of control is this?

HVAC, power supplies, and fire detection and suppression

Answer 35

Technical (Logical) Controls

Question 36

True / False

Centralized computer rooms need to be human compatible

Answer 36

False

Question 37

True / False

A security guard or other monitoring system must be deployed to prevent abuse, masquerading, and piggybacking

Answer 37

True

Question 38

True / False

Audit Trails and Access Logs can either be created manually or automatically.

Answer 38

True

Question 39

True / False

Main purpose of a UPS is to provide clean consistent power. Secondary is to provide battery backup for limited periods of time.

Answer 39

True