Rest API - API Testing and Monitoring
If an API reports 99.5% uptime over a 7-day week, how many minutes of downtime does this represent? (Assume 7 days x 24 hours x 60 minutes)
If an API reports 99.5% uptime over a 7-day week, how many minutes of downtime does this represent? (Assume 7 days x 24 hours x 60 minutes)
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate total minutes in 7 days
7 x 24 x 60 = 10080 minutes total.Step 2: Calculate downtime minutes
Downtime = total minutes x (1 - uptime%) = 10080 x 0.005 = 50.4 minutes.Step 3: Recheck calculation
Since 99.5% uptime means 0.5% downtime, 0.005 x 10080 = 50.4 minutes.Final Answer:
50.4 minutes -> Option BQuick Check:
Downtime = Total x (1 - uptime) [OK]
Quick Trick: Downtime = total minutes x (1 - uptime fraction) [OK]
Common Mistakes:
MISTAKES- Using 0.5 instead of 0.005 for downtime fraction
- Mixing hours and minutes
- Incorrect multiplication order
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