A service must be available 24×7. It also requires 99.999% availability. How much total downtime
can the service tolerate in one year?
A.
About 5 seconds
B.
About 5 minutes
C.
About 50 minutes
D.
About 5 hours
Explanation:
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B
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answer is B 5 minutes… 24×7 = 8760
8760 x 99.999% = 8759.9124
(8760-8759.9124)*60=5.256 Minutes
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Answer is B , to simply Explanation ( in terms of 30 days)
99.9% Three Nines equals to 43 minutes and 12 seconds downtime
99.99% Four Nines equals to 4 minutes 19 seconds downtime
99.999% Five Nines equals to 26 seconds downtime
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Answer is B.
Come on 5 hours? Seriously?
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