单项选择题
A.check the output of the vmstat command on AIX
B.check the performance reports via TotalStorage Productivity Center for Data
C.check the performance reports via TotalStorage Productivity Center for Disk
D.check the improvement through the TotalStorage Expert report
单项选择题 WhatisonereasonthecustomershouldinstallIBMSystemStorageDS8000VirtualPrivateNetwork（VPN）technologyfortheCallHomefunction（）
单项选择题 A customer using an IBM System Storage DS8300 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade. How can the system be monitored in order to check the benefits of the cache upgrade（）
单项选择题 A customer recently installed new SAN with an IBM System Storage DS8300 and several open systems servers to address a need for storage consolidation and still provide good response time. They have asked the Business Partner technical representative for the most complete IBM product that would allow them to do performance reporting of the new SAN environment. What is the best solution（）