CompTIA Network+ Practice Test

What does MTTR stand for?

1. Mean Time to Recover

2. Mean Time to Repair

3. Maximum Time to Repair

4. Minimal Time to Recover

The correct answer is: Mean Time to Repair

MTTR stands for Mean Time to Repair. This term is commonly used in various fields, including IT and network management, to quantify the average time it takes to repair a failed component or system and return it to operational status. It is a critical metric for assessing the efficiency and reliability of maintenance processes—providing insights into how quickly a system can be restored after a failure occurs. In the context of network operations, a lower MTTR indicates better performance in addressing outages or failures, ultimately contributing to improved service availability for users. Organizations often strive for lower MTTR values as part of their overall incident management and service continuity strategies. While the other options present variations on the concept of repair and recovery time, they don't accurately capture the established meaning of MTTR within industry standards. Specifically, the term "Mean Time to Recover" suggests a broader recovery context that may include system processes beyond just repair, and "Maximum Time to Repair" implies a threshold rather than an average, which is not in line with MTTR's definition. Lastly, "Minimal Time to Recover" also shifts the focus away from the average repair time, moving towards a notion of speed rather than measurement.