单项选择题
A.2 x 300 GB 15k rpm disk drive sets for System z； and 4 x 2 TB 7.2k rpm disk drive sets for Power AIX
B.4 x 146 GB 15k rpm disk drive sets for System z； and 4 x 2 TB 7.2k rpm disk drive sets for Power AIX
C.2 x 300 GB 10k rpm disk drive sets for System z； and 4 x 300 GB 15k rpm disk drive sets for Power AIX
D.2 x 300 GB 15k rpm disk drive sets for System z； and 2 x 1 TB 7.2k rpm disk drive sets for Power AIX
单项选择题 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（）
单项选择题 A customer has an EMC Symmetrix DMX3000 that is at the end of lease. The environment consists of IBM System p， IBM System i， and IBM System z. The customer is evaluating EMC， HDS， and IBM storage as possible replacements. They are interested in comparing the performance of all three disk subsystems. Which tool compares performance（）
单项选择题 A customer wants to collect performance data from a newly installed IBM System Storage DS8700 to determine if the system meets expected benchmarks using their application test data. Which tool best gathers the performance data（）