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Dependability and Security

A password checking system that disallows user passwords that are proper names or words that are normally included in a dictionary is an example of ________________ with respect to security systems?

Dependability and Security /
A password checking system that disallows user passwords that are proper names or words that are normally included in a dictionary is an example of ________________ with respect to security systems?

A. risk
B. control
C. attack
D. asset

Explanation: A control protective measure that reduces a system’s vulnerability.

A password checking system that disallows user passwords that are proper names or words that are normally included in a dictionary is an example of ________________ with respect to security systems? Read More »

Dependability and Security

An assessment of the worst possible damage that could result from a particular hazard is known as _________________?

Dependability and Security /
An assessment of the worst possible damage that could result from a particular hazard is known as _________________?

A. Risk
B. Hazard probability
C. Hazard severity
D. Mishap

Explanation: Hazard severity can range from catastrophic, where many people are killed, to minor, where only minor damage results. When an individual death is a possibility, a reasonable assessment of hazard severity is ‘very high’.

An assessment of the worst possible damage that could result from a particular hazard is known as _________________? Read More »

Dependability and Security

An erroneous system state that can lead to system behavior that is unexpected by system users is known as________________?

Dependability and Security /
An erroneous system state that can lead to system behavior that is unexpected by system users is known as________________?

A. Human error or mistake
B. System fault
C. System error
D. System failure

An erroneous system state that can lead to system behavior that is unexpected by system users is known as________________? Read More »

Dependability and Security

The safety of a system is a system attribute that reflects the system’s ability to operate, normally or abnormally, without injury to people or damage to the environment ?

Dependability and Security /
The safety of a system is a system attribute that reflects the system’s ability to operate, normally or abnormally, without injury to people or damage to the environment ?

A. True
B. False

Explanation: None.

The safety of a system is a system attribute that reflects the system’s ability to operate, normally or abnormally, without injury to people or damage to the environment ? Read More »

Dependability and Security

A chemical plant system may detect excessive pressure and open a relief valve to reduce these pressures before an explosion occurs. What kind of dependability and security issue the example states ?

Dependability and Security /
A chemical plant system may detect excessive pressure and open a relief valve to reduce these pressures before an explosion occurs. What kind of dependability and security issue the example states ?

A. Hazard avoidance
B. Damage limitation
C. Hazard detection
D. Hazard detection and removal

Explanation: The system is designed so that hazards are detected and removed before they result in an accident.

A chemical plant system may detect excessive pressure and open a relief valve to reduce these pressures before an explosion occurs. What kind of dependability and security issue the example states ? Read More »

Dependability and Security

An aircraft engine normally includes automatic fire extinguishers.What kind of dependability and security issue the example states ?

Dependability and Security /
An aircraft engine normally includes automatic fire extinguishers.What kind of dependability and security issue the example states ?

A. Hazard avoidance
B. Damage limitation
C. Hazard detection
D. Hazard detection and removal

Explanation: The system may include protection features that minimize the damage that may result from an accident.

An aircraft engine normally includes automatic fire extinguishers.What kind of dependability and security issue the example states ? Read More »

Dependability and Security

Which of the following terms is a measure of the probability that the system will cause an accident ?

Dependability and Security /
Which of the following terms is a measure of the probability that the system will cause an accident ?

A. Risk
B. Hazard probability
C. Accident
D. Damage

Explanation: The risk is assessed by considering the hazard probability, the hazard severity, and the probability that the hazard will lead to an accident.

Which of the following terms is a measure of the probability that the system will cause an accident ? Read More »

Dependability and Security