Software Engineering Mcqs

Page No. 168

An event that occurs at some point in time when the system does not deliver a service as expected by its users is called __________________?


aHuman error or mistake

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bSystem fault

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cSystem error

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dSystem failure

✓


View Answer System failure

Consider a case where the system is unavailable and cannot deliver its services to users. What type of failure is being described here ?


aLoss of service

✓


b Incorrect service delivery

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cSystem/data corruption

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dNone of the mentioned

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View Answer Loss of service

A weakness in a computer-based system that may be exploited to cause loss or harm is known as ?


aVulnerability

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bAttack

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cThreat

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dExposure

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View Answer 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?


arisk

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bcontrol

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cattack

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dasset

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View Answer control

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


aRisk

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bHazard probability

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cHazard severity

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dMishap

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View Answer Hazard severity

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


aHuman error or mistake

✖


bSystem fault

✖


cSystem error

✓


dSystem failure

✖


View Answer System error

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 ?


aHazard avoidance

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bDamage limitation

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cHazard detection

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dHazard detection and removal

✓



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


aHazard avoidance

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bDamage limitation

✓


cHazard detection

✖


d Hazard detection and removal

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View Answer Damage limitation

A characteristic of a software system that can lead to a system error is known as _____________________ ?


aHuman error or mistake

✖


bSystem fault

✓


cSystem error

✖


dSystem failure

✖


View Answer System fault

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


aRisk

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bHazard probability

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cAccident

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dDamage

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View Answer Risk

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