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28 Cards in this Set
- Front
- Back
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What are the pros and cons of key cards? |
Pros: easy to use, provides an audit record, easy to change access permissions.
Cons: can be used by others if lost. |
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What is a man trap? |
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What type of control is a guard dog? (3) |
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What does the "Clean desk" policy help with? |
Reduced chance that a passe-by will see and remove a document containing sensitive information. |
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What does HVAC stand for? |
Heating, ventilation, and air conditioning |
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What should the humidity in a server room be? |
Should be 30-50%. |
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What is a blackout? |
A total loss of power. |
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What is a brownout? |
A prolonged reduction in voltage below the normal minimum specification. |
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What is a dropout? |
A total loss of power for a very short time period (milliseconds to a few seconds). |
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What is an inrush? |
The instantaneous draw of current by a device when it is first switched on. |
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What is noise? |
Random bursts of small changes in voltage. |
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What is sag? |
A short drop in voltage. |
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What is a surge? |
A prolonged increase in voltage. |
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What is transient? |
A brief oscillation in voltage. |
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What does a line conditioner do? |
Filters incoming power to make it cleaner and free of most anomalies. |
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What does a UPS do? |
Temporary supply of electric power via battery storage. |
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Site access control for personnel is usually achieved with (4). |
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What is another name for redundant environmental controls? |
"N+1" environmental controls. |
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Under what conditions would the use of a Class C fire extinguisher be preferable to a Class A extinguisher? |
When the fire involves electrical equipment |
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What are the four basic elements of Fire? |
Heat, Fuel, Oxygen, and Chain Reaction |
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What suppresses combustion by disrupting a chemical reaction, by doing so it kills the fire? |
Halon |
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What is currently the most recommended water system for a computer room? |
preaction |
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Because ordinary cable introduces a toxic hazard in the event of fire, special cabling is required in a separate area provided for air circulation for heating, ventilation, and air-conditioning (sometimes referred to as HVAC) and typically provided in the space between the structural ceiling and a drop-down ceiling. This area is referred to as the _____. |
Plenum area |
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What floor would be most appropriate to locate information processing facilities in a 6-stories building? |
Third floor |
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What protection devices is used for spot protection within a few inches of the object, rather than for overall room security monitoring? |
Capacitance detectors |
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The environment that must be protected includes all personnel, equipment, data, communication devices, power supply and wiring. The necessary level of protection depends on the value of the data, the computer systems, and the company assets within the facility. The value of these items can be determined by what type of analysis? |
Critical-path analysis |
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What is the minimum static charge able to cause disk drive data loss? |
1500 volts |
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What is a proximity identification device that does not require action by the user and works by responding with an access code to signals transmitted by a reader? |
A transponder |
