单项选择题 WhichportsmustbeleftopenifanadministratorplanstoperformDynamicLPARoperations？（）

单项选择题 A customer has 4 POWER6 servers managed by a Hardware Management Console （HMC）. They plan to install a second HMC for redundancy.  Which of the following statements correctlydescribes the dual HMC environment？ （）

单项选择题 The administrator of a Power 595 server is required to concurrently host LPARs for two different customers. Both customers’ LPARs have the same VLAN ID and subnet range， but their traffic must be isolated from each other.  Which feature within the system would provide this functionality？（）