A. Different programming languages
B. Different design methods and tools
C. Explicit specification of different algorithms
D. All of the mentioned
Explanation: Diversity means to provide the same functionality in different ways so that critical components of a dependable system will not fail in the same way.
Related Mcqs:
- A characteristic of a software system that can lead to a system error is known as _____________________ ?
A. Human error or mistake
B. System fault
C. System error
D. System failure - 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 - Which of the following terms is a measure of the probability that the system will cause an accident ?
A. Risk
B. Hazard probability
C. Accident
D. Damage - Which of the following is not a functional reliability requirement for a system ?
A. Checking requirements
B. Recovery requirements
C. Redundancy requirements
D. Ambiguous requirements - Which of the following examples does not involve dependability engineering ?
A. Medical Systems
B. Power Systems
C. Library Management
D. Telecommunications - Which of the following is not a Protection system ?
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 - Which of the following is a bad practice of Dependable programming ?
A. Limit the visibility of information in a program
B. Check array bounds
C. Check all inputs for validity
D. None of the mentioned - 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 - Choose the fault class in which the following automated static analysis check would fall:”Non-usage of the results of functions”?
A. Storage management faults
B. Data Faults
C. Input/Output Faults
D. Interface faults - Choose the fault class in which the following automated static analysis check would fall:”Variables declared but never used”?
A. Control Faults
B. Data Faults
C. Input/Output Faults
D. Interface faults
