单项选择题
Acustomerrequiresaninfrastructuretosupportdisasterrecoveryofcriticalapplicationsbetweentworemotedatacenters.OnedatacenterisinTokyoandoneisinBeijing.Thecustomer’sRecoveryPointObjective(RPO)requiresasix-hourwindowforabandwidthof100MB/sandanewstoragesystemforatotalof4TBofdata.Theyestimate100MBofnewdataproducedhourly.Whatdatasynchronizationmethodwouldberecommendedtomeettherequirements()
A.MetroMirror
B.FlashCopy
C.GlobalMirror
D.Snapshot
A.OnedatacenterisinTokyoandoneisinBeijing.Thecustomer’sRecoveryPointObjective(RPO)requiresasix-hourwindowforabandwidthof100MB/sandanewstoragesystemforatotalof4TBofdata.Theyestimate100MBofnewdataproducedhourly.Whatdatasynchronizationmethodwouldberecommendedtomeettherequirements()
A.MetroMirror
B.FlashCopy
C.GlobalMirror
D.Snapshot