Cloud & DevOps · Question 26 · Medium
A service promises 99.9% availability per 30-day month. What is the maximum downtime allowed in such a month?
- About 4.3 minutes
- About 7.2 hours
- About 43.2 minutes
- About 8.8 hours
Answer and explanation
Answer: C. About 43.2 minutes
Explanation: Allowed downtime = 0.1% × 30 days × 24 hours × 60 minutes = 0.001 × 43,200 minutes = 43.2 minutes. 7.2 hours would be the allowance at 99%.
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