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This quiz contains multiple-choice problems on the specifications of software, assurance and engineering of dependability and security.
The erroneous system state that can lead to system behaviour unexpected by users is known as
Human error or mistake
System fault
System error
System failure
An event that occurs at some point in time when the system does not deliver a service as expected by its users is called
Human error or mistake
System fault
System error
System failure
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 does the example state?
Hazard Avoidance
Damage Limitation
Hazard Detection
Hazard Detection and Removal
An aircraft engine typically includes automatic fire extinguishers. What kind of dependability and security issue does the example state?
Hazard Avoidance
Damage Limitation
Hazard Detection
Hazard Detection and Removal
The worst type of coupling is
Control coupling
Stamp coupling
Data coupling
Content coupling
A decision table consist of two parts
Sub and Entry
Pros and Cons
Condition and Result
None of the above
As the reliability increases, failure intensity
Increases
Has no effect
Decreases
None of the above
A good requirement specification should be
Unambiguous
Distinctly specific
Functional
None of the above
What are the three generic phases of software engineering?
What, how, where
Programming, debugging, maintenance
Definition, development, support
Analysis, design, testing
An assessment of the worst possible damage that could result from a particular hazard is known as
Risk
Hazard Probability
Hazard Severity
Mishap
Which of the following terms is a probability measure indicating how likely a system would cause an accident?
Risk
Hazard Probability
Accident
Damage
The weakness in a computer-based system that may be exploited to cause loss or harm is known as
Vulnerability
Attack
Threat
Exposure
An example of __ concerning security systems is a password-checking system that disallows proper names or words generally included in a dictionary from becoming user passwords.
Risk
Control
Attack
Asset
The safety of a system is an attribute that reflects the system’s ability to operate, normally or abnormally, without injury to people or the environment. True or false?
True
False
The characteristic of a software system that can lead to system errors is known as
Human error or mistake
System fault
System error
System failure
