CompTIA Network+ (N10-009) — Question 263

Which of the following disaster recovery concepts is calculated by dividing the total hours of operation by the total number of units?

Answer options

• A. MTTR
• B. MTBF
• C. RPO
• D. RTO

Correct answer: B

Explanation

The correct answer is B, MTBF (Mean Time Between Failures), which measures the average time between system breakdowns. MTTR (Mean Time to Repair) focuses on the time taken to fix a broken system, while RPO (Recovery Point Objective) and RTO (Recovery Time Objective) pertain to data loss and recovery time, respectively.