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.Management Sciences
Category: Dependability and Security
An event that occurs at some point in time when the system does not deliver a service as expected by its users is called __________________?
A. Human error or mistake
B. System fault
C. System error
D. System failure
Which of the following is a layer of protection for Security ?
A. Platform-level protection
B. Application-level protection
C. Record-level protection
D. All of the mentioned
Which of the following is incorrect with respect to Model Checking ?
A. Model checking is particularly valuable for verifying concurrent systems
B. Model checking is computationally very inexpensive
C. The model checker explores all possible paths through the model
D. All 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
B. ROCOF
C. AVAIL
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 reliability requirements are concerned with maintaining copies of the system ?
A. Checking requirements
B. Recovery requirements
C. Redundancy requirements
D. Ambiguous requirements
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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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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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