单项选择题
A.Select the option to automatically reboot the HMC .
B.Select the option to automatically reboot the HMC after each disk.
C.Shutdown all managed LPARs prior to beginning the install process.
D.Copy all disks into the ""SERVICE"" directory and select concurrent install.
单项选择题 An administrator plans to use bootable AIX media to boot a system into maintenance mode. The system is running AIX 5.3 TL09 with a 64-bit kernel. The administrator has a selection of media available. Which media should the administrator use？（）
单项选择题 A recently installed package needs to be rolled back to a previous version. Which of the following commands will perform the task？（）
单项选择题 A non-root user can run rsh commands from serverA to serverB， but attempts to run rsh commands by the root user return with a permission error message. What action will resolve the problem？（）