单项选择题 Which of the following sequence of commands should be used to list the directories and files saved on a mksyst tape that has been rewound and placed in device rmt0?（）

单项选择题 Which of the following is backed up with the mksysb command when a system consists of the volume groups rootvg, vol1, and vol2?（）

单项选择题 A customer has just received three enterprise systems that support a total of 48 LPARs. Which installation method expedite the process?（）