Software Engineering Questions and Answers – Dependability and Security

This set of Software Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Dependability and Security”.

1. A characteristic of a software system that can lead to a system error is known as?
a) Human error or mistake
b) System fault
c) System error
d) System failure
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2. 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
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3. An event that occurs at some point in time when the system does not deliver a service as expected by its users is called _____________
a) Human error or mistake
b) System fault
c) System error
d) System failure
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4. 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
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5. 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
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6. 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
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7. 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
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8. A weakness in a computer-based system that may be exploited to cause loss or harm is known as?
a) Vulnerability
b) Attack
c) Threat
d) Exposure
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9. 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
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10. 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
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