Software Engineering Mcqs

Page No. 167

Which of the following is a Strategy to achieve Software diversity ?


aDifferent programming languages

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bDifferent design methods and tools

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cExplicit specification of different algorithms

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d All of the mentioned

✓



Which process characteristic with respect to Dependability Engineering is mentioned by the statement: “The process should be understandable by people apart from process participants” ?


a Diverse

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bDocumentable

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cAuditable

✓


dNone of the mentioned

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View Answer Auditable

Which of the following examples does not involve dependability engineering ?


aMedical Systems

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bPower Systems

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c Library Management

✓


dTelecommunications

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View Answer Library Management

Consider a case where the failure of the system causes damage to the system itself or it data. What type of failure is being described here ?


aLoss of service

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b Incorrect service delivery

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cSystem/data corruption

✓


d None of the mentioned

✖



At which stage of risk analysis specification, the additional security requirements take account of the technologies used in building the system and system design and implementation decisions ?


aPreliminary risk analysis

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bLife-cycle risk analysis

✓


cOperational risk analysis

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dAll of the mentioned

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Which reliability metric sets out the probable number of system failures that are likely to be observed relative to a certain time period ?


a POFOD

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bROCOF

✓


cAVAIL

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dNone of the mentioned

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View Answer ROCOF

Which reliability requirements are concerned with maintaining copies of the system ?


aChecking requirements

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bRecovery requirements

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cRedundancy requirements

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dAmbiguous requirements

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View Answer Recovery requirements

Which of the following is not a functional reliability requirement for a system ?


aChecking requirements

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b Recovery requirements

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cRedundancy requirements

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dAmbiguous requirements

✓



POFOD stands for___________________?


aPossibility of failure of data

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bProbability of failure of data

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cPossibility of failure on demand

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dProbability of failure on demand

✓



How many stages are there in Risk-driven requirements specification ?


athree

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bfour

✓


cfive

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dsix

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View Answer four

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