单项选择题 AcustomerisimplementingaPOWERBladesolutionwhichrequirestheVIOServertobemirroredon internaldiskdrives.WhichBladesupportstherequirement?（）

单项选择题 A system is being designed with many LPARs which will be clients of dual VIO Servers. The VIO Servers must be redundant so that, in the event of scheduled maintenance, the clients do not need to be shut down. Which of these strategies could be used to ensure that the client LPARs continue to be able to use the network in the event of a VIO Server being shut down?（）

单项选择题 A customer plans to consolidate several systems onto POWER7. Their immediate requirement is to have a single Power 770, and they will buy a second Power 770 at a later stage. They want to keep their existing three POWER5 570s and three POWER6 520s which are all managed by an HMC (7310-CR3). Which of these statements is true and would minimize the cost?（）