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


bSystem fault


cSystem error


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


cSystem/data corruption


dNone of the mentioned


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


bAttack


cThreat


dExposure


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


bcontrol


cattack


dasset


View Answer control

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


aRisk


bHazard probability


cHazard severity


dMishap


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


bDamage limitation


cHazard detection


dHazard detection and removal



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


aHazard avoidance


bDamage limitation


cHazard detection


d Hazard detection and removal


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


bHazard probability


cAccident


dDamage


View Answer Risk

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