单项选择题

AspartofaBusinessContinuanceproject，acustomerhasestabli……

As part of a Business Continuance project， a customer has established replication from 3 spokesto a DR hub with ProtecTIER 7610 appliances. Each of the 3 spokes is backing up 500 GB ofnominal data daily with an average deduplication ratio of 10：1. The replication window is 12 hours.The data change rate is 15%. What is the approximate minimum required bandwidth for eachWAN connection？（）

A.1.2MB/s
B.7.5MB/s
C.12MB/s
D.75MB/s

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