单项选择题 An application fails to start after a Technology Level upgrade. The application vendor recommends that two filesets upgraded as part of the new Technology Level be rejected. What is the recommended method for performing this task?（）

单项选择题 An administrator has recently added a VLAN to the VIO server and wants to update the documentation. Which command displays the current VIO server VLAN configuration?（）

单项选择题 During which phase of the boot process is the rootvg volume group varied on and the root file system (hd4) checked?（）