Which of the following features of Tivoli Storage Productivity Center is an enhancement to theStorwize V7000 GUI management system?（）

A.give a product presentation to the board 
B.meet with the president to discuss total cost of ownership 
C.provide a demonstration of the DS8000 to the network and database administrators 
D.schedule a meeting with the higher-level executives to discuss budget and leasing options

A.DS3300 
B.DS3400 
C.EXP5000 expansion enclosure 
D.EXP3000 expansion enclosure

A.single-tier architecture supports all kinds of storage in one environment and makes scaling easy 
B.built-in thin-provisioning allows the acquisition and installation of additional capacity to bedelayed until needed. 
C.innovative use of solid state disk drives offers excellent capacity-for-cost value while meetingenterprise performance standards 
D.use of off-the-shelf components makes customized hardware unnecessary and makes itpossible to integrate state-of-the-art hardware assoon as it becomes available.