dependability and security MCQs – Page 3

Practise focused dependability and security questions with marked answers for exam preparation and subject revision.

dependability and security Mcqs
41. Consider a case where the system is unavailable and cannot deliver its services to users. What type of failure is being described here ?
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A. Loss of service

B. None of the mentioned

C. System/data corruption

D. Incorrect service delivery

42. Which of the following is not a Protection system ?
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A. None of the mentioned

B. System to shut down a reactor if temperature/pressure are too high

C. System to indicate not returning of the library book

D. System to stop a train if it passes a red light

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

B. Hazard severity

C. Hazard probability

D. Risk

44. Static Analysis involves executing a program ?
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A. False

B. TRUE

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

B. Human error or mistake

C. System error

D. System fault

46. An impersonation of an authorised user is an example of a security threat ?
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A. False

B. TRUE

47. 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 ?
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A. Incorrect service delivery

B. Loss of service

C. None of the mentioned

D. System/data corruption
48. Choose the fault class in which the following automated static analysis check would fall:Variables declared but never used?
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A. Input/Output Faults

B. Interface faults

C. Control Faults

D. Data Faults