单选题A financial customer has three data centers that are four kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds. Which solution satisfies the customer’s recovery time objective（）ADS8700 systems at each site running Metro MirrorBDS8700 systems at each site running Global MirrorCDS5300 systems at each site running Global MirrorDXIV systems at each site running Remote Mirroring
单选题
A financial customer has three data centers that are four kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds. Which solution satisfies the customer’s recovery time objective（）
A
DS8700 systems at each site running Metro Mirror
B
DS8700 systems at each site running Global Mirror
C
DS5300 systems at each site running Global Mirror
D
XIV systems at each site running Remote Mirroring
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