A customer needs a very small AIX system to run their new application and is considering a 1-way p615.  What key information should the pSeries technical specialist provide to the customer？（）

A.The 1-way p615 cannot be upgraded to a 2-way p615.

B.The 1-way p615 can be upgraded to a 2-way p615 should additional capacity be required.

C.The p615 can be upgraded to a POWER5-based processor.

D.The p615 is not a good solution， as it does not take advantage of the Advanced POWER Virtualization features.