Dependability and Security

A. System to stop a train if it passes a red light
B. System to indicate not returning of the library book
C. System to shut down a reactor if temperature/pressure are too high
D. None of the mentioned

A. True
B. False

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

A. True
B. False

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

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

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

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

A. Medical Systems
B. Power Systems
C. Library Management
D. Telecommunications

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