A software system crashed 20 times in the year and for each crash, it took 2…
2018
A software system crashed 20 times in the year and for each crash, it took 2 minutes to restart. Approximately, what was the software availability in that year?
- A.
96.9924%
- B.
97.9924%
- C.
98.9924%
- D.
99.9924%
Attempted by 32 students.
Show answer & explanation
Correct answer: D
First, calculate total minutes in a year: 365 × 24 × 60 = 525,600 minutes. Next, find total downtime: 20 crashes × 2 minutes = 40 minutes. Subtract downtime from total time to get uptime: 525,600 - 40 = 525,560 minutes. Finally, divide uptime by total time and multiply by 100 to find availability: (525,560 / 525,600) × 100 ≈ 99.99%.
A video solution is available for this question — log in and enroll to watch it.