Which of the following describes the maximum amount of time a mission essential function can operate without the systems it depends on before significantly impacting the organization?
RTO (Recovery Time Objective) is the expected maximum time you need to recover your IT infrastructure.
RPO (Recovery Point Objective) is a measurement of the maximum data to lose.
MTTF (mean time to failure) is the average life of a non-repairable/expendable item (its availability).
MTTR (mean time to repair) measures how long it will take to get a failed device running again.
MTBF (mean time between failures) is the average time elapsed between failures of a repairable item (its reliability).
The questions is asking not the amount of time require to fix a broken system and make available for the service again that is RTO (recovery time objective) or we call how maintenance crew are efficient to make the system back online with minimum time. However the question is asking how a certain service or device can stay operational with out being interrupted by the next disaster in other words it is asking us for how long the car engine stay working with out any problem ? What is a life time of a bulb light? These type of question is answered using mean time between failures MTBF
SO THE ANSWER IS MTBF
Increasing the MTBF increases the uptime of equipment. Keeping track of the MTBF for each piece of equipment, especially those that require continuous operation, allows the maintenance team to efficiently schedule maintenance activities.
D: How to Calculate RPO. For your RPO, work out how much of the data in your systems and applications your company could afford to lose. For example, if you could stand to lose 2 hours worth of data without it having a big impact on your business, then your RPO would be 2 hours.
We are looking for the maximum amount of time a function can operate without it's systems before it fails. RPO, RTO and MTTR describe things that happen after a failure event. The answer is A, Mean Time Before Failure.
You got it right the first time around. The question explicitly states the maximum amount of time before it impacts mission essential operations so the failure has not yet occurred.
Why you change your mind you were right when you choose MTBF because the question is asking for how long a device perfectly working with out inturption or broken . RTO is not a solution because RTO measures a how long downtime a company allow to fix the error meaning how long the service is inturpted until it is back again
Which of the following describes the "maximum amount of time a "
The difference is that RTO is the "maximum expected time" by which service is expected to be restored, whereas MTTR is the elapsed recovery time averaged over a specified time period.
C.
RTO is concerned with applications and systems. The measurement includes data recovery but primarily describes time limitations on application downtime.
RTO is basically how long you have to get it repaired before you begin to suffer....correct answer!
MTTF is just how long before it will likely fail, and once that occurs, you will hit the stopwatch on your RTO!
MTTR is an estimate on how long it will take to get repaired and this number needs to be less that the RTO, else you will begin to suffer!
RPO is the amount of data(backups) it will take to slam into the system that you got repaired in order for it to start functioning properly! To start handling business again!
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