An impersonation of an authorised user is an example of a security threat ?
An impersonation of an authorised user is an example of a security threat ?
A. True
B. False
Explanation: It is a security attack.
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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 removalExplanation: The system is designed so that hazards are detected and removed before they result in an accident.
Which of the following examples does not involve dependability engineering ?
Which of the following examples does not involve dependability engineering ?A. Medical Systems
B. Power Systems
C. Library Management
D. TelecommunicationsExplanation: Software customers expect all software to be dependable. However, for non-critical applications such as certain management systems, they may be willing to accept some system failures.
What is Life cycle risk assessment ?
What is Life cycle risk assessment ?A. Risk assessment before the system has been deployed
B. Risk assessment while the system is being developed
C. All of the mentioned
D. None of the mentionedAn assessment of the worst possible damage that could result from a particular hazard is known as _________________?
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. MishapExplanation: 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’.
Consider a case where the failure of the system causes damage to the system itself or it data. What type of failure is being described here ?
Consider a case where the failure of the system causes damage to the system itself or it data. What type of failure is being described here ?A. Loss of service
B. Incorrect service delivery
C. System/data corruption
D. None of the mentionedAn 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