单选题A customer has one mainframe and ten open system servers in their current environment. They plan to add the servers to an IBM DS8700 system with four array sites. How many extent pools should be created to provide the best resource utilization of the DS8700（）A1B2C4D6
单选题
A customer has one mainframe and ten open system servers in their current environment. They plan to add the servers to an IBM DS8700 system with four array sites. How many extent pools should be created to provide the best resource utilization of the DS8700（）
A
1
B
2
C
4
D
6
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