Saturday, August 27, 2016

MTBF, MTTF, MTTR Metrics

Risk management experts often use metrics such as MTTR, MTTF, and MTBF to quantify risk. If you're planning on taking the Security+ exam, you should understand the differences between them. For example, can you answer this sample Security+ question?
Q. Lisa is the new CTO at your organization. She wants to ensure that critical business systems are protected from isolated outages. Which of the following would let her know how often these systems will experience outages?
A. MITM
B. MTBF
C. MTTF
D. MTTR
More, do you know why the correct answer is correct and the incorrect answers are incorrect? The answer and explanation is available at the end of this post.