As part of determining how critical an asset is, you need to understand the following terms:
Maximum tolerable downtime (MTD): The _______ amount of time that an organization can tolerate a single resource or function being down. This is also referred to as _______.
Mean time to repair (MTTR): The _______ required to _______ a single resource or function when a disaster or disruption occurs.
Mean time between failure (MTBF): The _______ a device will operate before a _______ occurs. This amount is calculated by the _______. System reliability is increased by a _______ MTBF and _______ MTTR.
Recovery time objective (RTO): The _______ after a disaster or disruptive event within which a resource or function must be _______ to avoid unacceptable consequences. RTO assumes that an acceptable period of downtime exists. RTO should be smaller than _______.
Work recovery time (WRT): The _______ between RTO and MTD, which is the remaining time that is left over after the RTO before reaching the maximum tolerable.
Recovery point objective (RPO): The _______ to which the disrupted resource or function must be _______.