POFOD stands for___________________?

Byadmin February 3, 2019August 18, 2021

POFOD stands for___________________?

A. Possibility of failure of data
B. Probability of failure of data
C. Possibility of failure on demand
D. Probability of failure on demand

Dependability and Security

Which of the following is not a Protection system ?

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

Explanation: A Protection system is a specialized system that is associated with some other control system, which can take emergency action if a failure occurs.

Read More Which of the following is not a Protection system ?
Dependability and Security

Which of the following is a layer of protection for Security ?

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

Read More Which of the following is a layer of protection for Security ?
Dependability and Security

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 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

Explanation: The system is designed so that hazards are detected and removed before they result in an accident.

Read More 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 ?
Dependability and Security

What is the term for a system that is designed such that the faults in the delivered software do not result in 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

Read More What is the term for a system that is designed such that the faults in the delivered software do not result in system failure ?
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 __________________?

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

Read More An event that occurs at some point in time when the system does not deliver a service as expected by its users is called __________________?
Dependability and Security

What is the term for development process organised such that faults in the system are detected and repaired before delivery to the customer ?

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

Explanation: In Fault Avoidance, the system is developed in such a way that human error is avoided and thus system faults are minimised.

Read More What is the term for development process organised such that faults in the system are detected and repaired before delivery to the customer ?

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