单选题A customer wants to purchase an IBM System Storage DS8700 to support a high-performance database environment. Which technical solution gives the customer the best relationship between I/O performance at the machine’s backend vs. capacity installed in the machine（）Aadditional installation of the first and second expansion frame will increase the backend performance capabilityBthe usage of 300 GB/15k FC disks will give the server a high-performance backend capabilityCperformance Accelerator restricts the number of disks connected to one device adapter pair to 32 disksDthe second RIO-G loop between the base frame and the first expansion increases the backend performance
单选题
A customer wants to purchase an IBM System Storage DS8700 to support a high-performance database environment. Which technical solution gives the customer the best relationship between I/O performance at the machine’s backend vs. capacity installed in the machine（）
A
additional installation of the first and second expansion frame will increase the backend performance capability
B
the usage of 300 GB/15k FC disks will give the server a high-performance backend capability
C
performance Accelerator restricts the number of disks connected to one device adapter pair to 32 disks
D
the second RIO-G loop between the base frame and the first expansion increases the backend performance
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