A.to avoid using a more expensive dial-up modem
B.to load new licensed internal code
C.to achieve more efficient and faster problem resolution
D.to enable capacity on demand

A.using the "vmstat" command on the AIX servers connected via SAN to the DS8300 system
B.looking at the number of I/O managed by the DS8300 system
C.reading the performance reports via TotalStorage Productivity Center for Disk
D.generating reports using the TotalStorage Expert