A customer wants to deploy VMWare ESX on four-way Intel systems.  They are considering IBM and Dell.Which of the following is an advantage IBM has over the competition？（） A: IBM provides optional Remote Technical Support for hardware， NOS， and VMWare. B: The IBM xSeries EXA chipset has extensions to provide better efficiency for the VMFS file system. C: IBM servers can address larger LUNs on SAN storage than Dell. D: IBM provided VMWare with the majority of their internal drivers for ES E: