单项选择题 Companycom is moving their application to a p5 590 and at the same time moving to a new version of the application. The customer knows only about the resource requirements of the old version. Which of the following is the best method to migrate their application to POWER5?（）

单项选择题 Companycom recently ordered a p5 570 and an HMC. Prior to delivery, two additional p5 570 servers were added to the order. Upon installation, the system administrator noticed that they do not have a method to connect the p5 570 servers to the HMC. Which of the following will allow them to connect all servers to the HMC?（）

单项选择题 Companycom is migrating from a p690 to a p5 595 utilizing APV Virtual IO features. They have created their profiles for their two Virtual IO Servers. The first Virtual IO Server is installed and running. When trying to DLPAR the DVD/ROM the task fails on the HMC. What is the probable cause?（）