Chapter 9, Problem 2E

a)

Explanation of Solution

Walls and Doors:

Walls and doors act as the obstacles and prevent form stealing resources or information...

b)

Explanation of Solution

Access Control:

Access control is categorized into two. They are:

Physical access control: The objective of physical access control is to guard the physical resources of a particular organization. The physical resources may be people, systems, hardware and so on.

Logical access control: The objective of physical access control is to guard the critical data that could be taken by an intruder without accessing physical devices. They are technology-based control that includes intrusion detection system, antivirus software, and firewalls.

Factors considered for the server room:

The organization will consider many security controls to protect their resources and precious data...

c)

Explanation of Solution

Fire detection:

Fire detectors are used to find out the phenomena resulting from fire like, smoke, gas, ultraviolet radiation, infrared radiation, etc. By using fire detectors, it is possible to save lots of lives and protects assets in an organization...

d)

Explanation of Solution

Fire suppression:

• Fire suppressor is used to eliminate fire from particular areas. They are of portable and manual types. Mostly portable extinguishers are more efficient for smaller fire.
• Fire suppression system quells fires by eliminating either oxygen or fuel, or it reduces the temperature.
• Fire extinguishers usually contain carbon-di-oxide that eliminates oxygen supply. It might harm living beings so they are not used in residential areas...

e)

Explanation of Solution

Heating, Ventilating, and air conditioning:

Heating, ventilation as well as air conditioning system could have impact on operations of information systems and safety...

f)

Explanation of Solution

Power quality and distribution:

In order to avoid power quality, proper UPS should be used. They act as a backup power supply for computers. The powering capacity of UPS is usually measured in volt-ampere. A normal computer uses 200 VA and during interruptions or power fluctuations, it gets efficient power supply from UPS which provides up to 1,000 VA...