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
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
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
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
Which of the following is a Strategy to achieve Software diversity ?
(A) Different programming languages
(B) Different design methods and tools
(C) Explicit specification of different algorithms
(D) All of the mentioned
Which process characteristic with respect to Dependability Engineering is mentioned by the statement: “The process should be understandable by people apart from process participants” ?
(A) Diverse
(B) Documentable
(C) Auditable
(D) None of the mentioned
Which of the following examples does not involve dependability engineering ?
(A) Medical Systems
(B) Power Systems
(C) Library Management
(D) Telecommunications
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 mentioned
At which stage of risk analysis specification, the additional security requirements take account of the technologies used in building the system and system design and implementation decisions ?
(A) Preliminary risk analysis
(B) Life-cycle risk analysis
(C) Operational risk analysis
(D) All of the mentioned
Which reliability metric sets out the probable number of system failures that are likely to be observed relative to a certain time period ?
(A) POFOD
(B) ROCOF
(C) AVAIL
(D) None of the mentioned