单项选择题 A customer is buying 10 new Power 720 servers and will integrate them into their existing data center which also has two Power 595s and five Power 750s, taking the total number of systems to 17. All currently installed systems are managed by a single HMC.All the machines will have dual VIO Servers for redundancy, and 10 client LPARs. How can they manage the new machines for the least cost?（）

单项选择题 A customer has 4 application and 2 database servers that will be installed in partitions on a Power 750. They are concerned that the database software vendor will charge based on every processor core in the server. Which action will reduce the potential vendor software costs?（）

单项选择题 A customer is upgrading from a 16-core POWER6 570 with two enclosures to a 16-core Power 770 with only one enclosure. There are 22 PCI-X adapters and 19 PCIe adapters spread across the current CECs and I/O drawers. How many and what kind of drawers are needed to connect these adapters?（）