单项选择题 A customer wants to collect performance data from a newly installed IBM System Storage DS8300 to determine if the system meets expected benchmarks using their application test data.  Which tool best gathers the performance data（）

单项选择题 A company has acquired another company and is consolidating data centers. During the consolidation， half of the users of a business-critical application lost access. The users who maintained access experienced slow performance.  What is the first action the SAN/storage administrator should take to determine the source of the problem（）

单项选择题 A customer has purchased three IBM System Storage DS8300 systems and would like to have their SAN and storage administrator trained. The customer is worried about having much of their staff out of the office at the same time attending courses.  Which training alternative provides the necessary training with the least impact（）