单项选择题
A.Reboot the system in normal mode.
B.Use the bosboot command to rebuild the boot image.
C.Restore the boot logical volume from a mksysb image.
D.Reboot the system into maintenance mode and run fsck on the boot logical volume.
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?（）
单项选择题 A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?（）