单项选择题 A user reports a corrupted boot logical volume. In order to recreate the contents of the boot logical volume which of the following procedures should the user be advised to perform?（）

单项选择题 A graphics card has been added to the system. After rebooting, the system hangs during the login process with a blue screen indicating "CDE please wait". Which of the following procedures should be performed next?（）

单项选择题 The mksysb command completed successfully. Which of the following steps are necessary to verify the mksysb is good?（）