A. True
B. False
Explanation: It is a security attack.
✅ The correct answer is option B.
Dependability and Security MCQs
Static Analysis involves executing a program ?
A. True
B. False
Explanation: Static analysis techniques are system verification techniques that don’t involve executing a program.
✅ The correct answer is option B.
How many stages are there in Risk-driven requirements specification ?
A. three
B. four
C. five
D. six
✅ The correct answer is option B.
Explanation: These include Risk identification, Risk analysis, Risk reduction and Risk decomposition
Explanation: These include Risk identification, Risk analysis, Risk reduction and Risk decomposition
A system resource that has a value and has to be protected is known as ________________________?
A. Asset
B. Control
C. Vulnerability
D. None of the mentioned
✅ The correct answer is option A.
Explanation: The answer is self explanatory.
Explanation: The answer is self explanatory.
A chemical plant system may detect excessive pressure and open a relief valve to reduce these pressures before an explosion occurs. What kind of dependability and security issue the example states ?
A. Hazard avoidance
B. Damage limitation
C. Hazard detection
D. Hazard detection and removal
✅ The correct answer is option D.
Explanation: The system is designed so that hazards are detected and removed before they result in an accident.
Explanation: The system is designed so that hazards are detected and removed before they result in an accident.
An assessment of the worst possible damage that could result from a particular hazard is known as _________________?
A. Risk
B. Hazard probability
C. Hazard severity
D. Mishap
✅ The correct answer is option C.
Explanation: Hazard severity can range from catastrophic, where many people are killed, to minor, where only minor damage results. When an individual death is a possibility, a reasonable assessment of hazard severity is ‘very high’.
Explanation: Hazard severity can range from catastrophic, where many people are killed, to minor, where only minor damage results. When an individual death is a possibility, a reasonable assessment of hazard severity is ‘very high’.
An erroneous system state that can lead to system behavior that is unexpected by system users is known as________________?
A. Human error or mistake
B. System fault
C. System error
D. System failure
✅ The correct answer is option C.
To specify security requirements, one should identify the risks that are to be dealt with ?
A. True
B. False
Explanation: To specify security requirements, one should identify the assets that are to be dealt with.
✅ The correct answer is option B.
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.
✅ The correct answer is option B.
Circumstances that have potential to cause loss or harm is known as___________________?
A. Attack
B. Threat
C. Vulnerability
D. Control
✅ The correct answer is option B.
Explanation: The answer is self explanatory.
Explanation: The answer is self explanatory.