問題文
A fault was raised on an object and the cause behind it has now gone away. Which inputs decide the health number of that object, and what becomes of the record of that fault?
選択肢
- The health number that the controller keeps for an object is worked out from the readings taken each hour, and a fault whose cause has just gone away is erased at once
- The health number that the controller keeps for an object is worked out from the conditions standing against it, and a fault whose cause has just gone away is erased at once
- The health number that the controller keeps for an object is worked out from the conditions standing against it, and a fault whose cause has just gone away is held for a while before going
- The health number that the controller keeps for an object is worked out from the readings taken each hour, and a fault whose cause has just gone away is held for a while before going