Facilities notes that aging courthouse badge controllers fail often and take many hours to restore. Which pair of metrics best frames that resilience discussion in a BIA or risk context?
Select an answer to reveal the explanation.
Short Explanation
MTBF is how long the gadget usually behaves between tantrums; MTTR is how long the tantrum lasts once it starts. Aging badge gear that dies often and takes forever to fix lights up both red flags.
Full Explanation
Mean time between failures (MTBF) estimates average operating time between failures; mean time to repair (MTTR) estimates restoration duration. Together they inform availability and resilience discussions for physical access controllers in BIA and risk analysis. They complement, rather than replace, financial risk metrics and classification schemes.