Computer Programming MCQs

5739 MCQs (Page 331 of 574)

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

A. Loss of service
B. Incorrect service delivery
C. System/data corruption
D. None of the mentioned

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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 ?

A. Loss of service
B. Incorrect service delivery
C. System/data corruption
D. None of the mentioned

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Which of the following examples does not involve dependability engineering ?

A. Medical systems
B. Power systems
C. Library management
D. Telecommunications

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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
B. Documentable
C. Auditable
D. None of the mentioned

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

A. Different programming languages
B. Different design methods and tools
C. Explicit specification of different algorithms
D. All of the mentioned

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What is the term for development process organised such that faults in the system are detected and repaired before delivery to the customer ?

A. Fault avoidance
B. Fault detection
C. Fault tolerance
D. None of the mentioned

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What is the term for a system that is designed such that the faults in the delivered software do not result in system failure ?

A. Fault avoidance
B. Fault detection
C. Fault tolerance
D. None of the mentioned

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The use of a well-defined, repeatable process is essential if faults in a system are to be minimized ?

A. True
B. False
ExpLanation: the answer is self explanatory.

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What is a Range check ?

A. Check that the input does not exceed some maximum size e.g. 40 characters for a name
B. Check that the input falls within a known range
C. Use information about the input to check if it is reasonable rather than an extreme value
D. None of the mentioned

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Exception handling is a mechanism to provide some fault avoidance ?

A. True
B. False
ExpLanation: exception handling is a mechanism to provide some fault tolerance.

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