If you wish to maintain a "4 nines" availability rating, what is the maximum amount of down time you can have per day?
A) .4 seconds
B) 8 seconds
C) 1 minute, 26 seconds
D) 14 minutes, 23 seconds

Question

Quizplus · Accepted Answer

"4 nines" availability means 99.99% uptime. This allows for a maximum downtime of approximately 52.56 minutes per year, which translates to about 8.64 seconds per day. Therefore, the closest option is 8 seconds.

If You Wish to Maintain a "4 Nines" Availability Rating