An IT Director plans the purchase of a new Power Systems server with IBM i. Due to a previous bad experience with a competitive product that was improperly sized, the IT Director is concerned that…

An IT Director plans the purchase of a new Power Systems server with IBM i. Due to a previous bad experience with a competitive product that was improperly sized, the IT Director is concerned that processor, memory and storage I/O of the solution accurately reflect the company's needs. Which IBM tool would the sales representative use and discuss with the IT Director to help ensure correct sizing?