Click on the calculator icon in the upper left corner. When a service is described as "three 9s available", what is the approximate amount of downtime allowed per week?

The correct answer is B. 10 minutes. See the full explanation below for the reasoning.

Question

Options

A10 seconds
B10 minutes
C10 hours
D10 days

How the community answered

(27 responses)

A
11% (3)
B
78% (21)
C
7% (2)
D
4% (1)

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