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
✅ The correct answer is option B.
Explanation: Rate of occurrence of failures (ROCOF) sets out the probable number of system failures that are likely to be observed relative to the number of system executions.

“Consider a system where, a heat sensor detects an intrusion and alerts the security company.” What kind of a requirement the system is providing ?

A. Functional
B. Non-Functional
C. Known Requirement
D. None of the mentioned
✅ The correct answer is option A.
Explanation: Functional requirements describe what the software has to do.