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（）

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 The Business Partner technical specialist is called to determine if the addition of host ports on an IBM System Storage DS8700 has improved users’ response times for an IBM System p server running SAP.  How can the improvement be verified（）