Question 1

An electric fence surrounding the facility is an internal technique.

Accepted Answer

An electric fence surrounding the facility is an external technique.

Question 2

A tornado is a natural threat.

Accepted Answer

A tornado is a naturally occurring violent windstorm characterized by a twisting, funnel-shaped cloud, capable of causing significant damage and posing a threat to life and property.

Question 3

The relative humidity range in the server room should be 40 percent to 60 percent.

Accepted Answer

Maintaining relative humidity between 40% and 60% in a server room helps prevent static electricity buildup and protects against moisture-related issues, ensuring optimal operation and longevity of the equipment.

Question 4

All walls should have a 1-hour minimum fire rating.

Accepted Answer

All walls should have a 2-hour minimum fire rating.

Question 5

Collusion can be prevented by separation of duties.

Accepted Answer

Collusion can be caused by separation of duties.

Question 6

In the Layered Defense Model, reliance is not based on any single physical security concept.

Accepted Answer

The Layered Defense Model, also known as Defense in Depth, relies on multiple layers of security controls and measures across different areas, rather than depending on a single physical security concept, to protect resources and information.

Question 7

Natural Access Control promotes visibility of all areas to discourage crime in those areas.

Accepted Answer

Natural Surveillance promotes visibility of all areas to discourage crime in those areas.

Question 8

Top floors of buildings should be used for computer and equipment rooms.

Accepted Answer

Avoid the top floors of buildings for computer and equipment rooms.

Question 9

Computer and equipment rooms should be in the center of the building when possible.

Accepted Answer

Placing computer and equipment rooms in the center of the building can help protect them from external threats such as natural disasters, unauthorized access, and environmental damage (e.g., water damage from rain). This central location also facilitates easier distribution of cooling and power systems, which are critical for the operation of such equipment.

Question 10

Three-to-four feet tall fences deter more determined intruders.

Accepted Answer

Eight feet and taller fences deter more determined intruders, especially when augmented with razor wire.

Question 11

Which class of fence is for commercial usage?

Accepted Answer

The answer of Which class of fence is for commercial...

Question 12

Which IDS identifies changes in heat waves?

Accepted Answer

Infrared sensors are designed to detect changes in heat, making them capable of identifying variations in heat waves. This is because they can sense infrared radiation, which is emitted by objects as heat.

Question 13

Which of the following emits a magnetic field and monitors that field?

Accepted Answer

The answer of Which of the following emits a magnetic...

Question 14

Which of the following illuminates only at certain times or on a schedule?

Accepted Answer

Standby lighting is designed to illuminate only at certain times or on a schedule, often used in situations where lighting is not needed continuously but must be available quickly or at predetermined times.

Question 15

Which of the following lighting uses a lamp consisting of an ultraviolet light source, such as mercury vapor, contained in a fused-silica bulb that transmits ultraviolet light with little absorption?

Accepted Answer

Quartz lighting uses a lamp with a fused-silica bulb that transmits ultraviolet light with minimal absorption, often containing a mercury vapor light source.

Question 16

Which of the following is NOT an Electronic Access Control (EAC) component?

Accepted Answer

Electronic Access Control (EAC) components include an electromagnetic lock, a credential reader, and a closed door sensor.

Question 17

Which glass type is created by heating the glass, which gives it extra strength?

Accepted Answer

Tempered glass is made by heating it to a high temperature and then rapidly cooling it, a process that increases its strength compared to standard glass.

Question 18

Which of the following fire detection systems operates using a photoelectric device to detect variations in light?

Accepted Answer

Smoke-activated fire detection systems can use photoelectric devices to detect variations in light caused by smoke particles in the air, which is a common method for identifying the presence of smoke.

Question 19

Which sprinkler system is recommended for rooms where equipment will be damaged by the water?

Accepted Answer

Preaction sprinkler systems are recommended for areas containing equipment that could be damaged by water, as they require a two-step process before water is released, offering protection against accidental discharge.

Question 20

Which of the following is a momentary power outage?

Accepted Answer

A fault is a momentary power outage, often caused by a short circuit or a circuit breaker tripping to prevent damage.

Quiz 11: Physical Environmental Security