单选题A System z customer is planning to deploy the IBM System Storage DS6800 in each of threesmall data centers located around a large city. A backup data center with an IBM System StorageDS8100 will serve as the disaster recovery facility. Which advanced f
题目
单选题
A System z customer is planning to deploy the IBM System Storage DS6800 in each of threesmall data centers located around a large city. A backup data center with an IBM System StorageDS8100 will serve as the disaster recovery facility. Which advanced function can the customerimplement to meet disaster recovery requirements?（）
A
Global Mirror for zSeries
B
Metro Mirror
C
Global Copy
D
Metro/Global Mirror