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The reliability of a system with n redundant components and a reliability of r is ____________(a) 1-(1-r)n(b) 1-(1+r)n(c) 1+(1-r)n(d) All of the mentionedThe question was asked in quiz.The origin of the question is Laws of Cloudonomics topic in division Value Proposition of Cloud of Cloud Computing

Answer»

Right choice is (a) 1-(1-r)n

The best explanation: Therefore, when a DATACENTER achieves a reliability of 99 percent, two REDUNDANT data centers have a reliability of 99.99 percent (FOUR nines) and three redundant data centers can ACHIEVE a reliability of 99.9999 percent (six nines).



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