Rootvg has just been mirrored to a second disk. Which of the following actions should be performed to boot the system off of either disk?（）

单项选择题A system administrator was able to boot a system from the AIX installation CDROM. The migration install was selected, but the process hung at 92% complete. The system administrator then rebooted the system, which subsequently hung at LED 552. Which of the following options is the most probable cause?（）

A.The ODM is corrupted.
B.There is a hardware failure.
C.The bosboot command failed.
D.Not enough space is available in the filesystems.

单项选择题During a system boot, an error message appears concerning a paging space, paging00. The paging space was located on hdisk2, but the disk was removed from the system without proper software procedures. Which of the following commands should be used as the first step in the process of recovery?（）

A.mkps paging00 hdisk0
B.chpv -v r hdisk2
C.chps -a n paging00
D.reducevg rootvg hdisk2

单项选择题Which of the following techniques is used to extract the usr tmp directory from a mksysb backup?（）

A.Use the tar command on the fifth image.
B.Use the restore command on the fourth image.
C.Use tctl -f /dev/rmt0.1 fsf 3 followed by the tar command on the fourth image.
D.Reboot using the mksysb tape and then use the dd command to extract the file.

单项选择题Which of the following sequence of commands extracts the third image from a tape that was created using the backup command?（）

A.tctl -f /dev/rmt0.1 fsf 2 ; tar -xv file3
B.tctl -f /dev/rmt0.0 fsf 3 ; dd if=file3 pf =/dev/mt0.1
C.tctl -f /dev/rmt0.1 fsf 2 ; dd if=/dev/rmt0.1 of=file3
D.tctl -f /dev/rmt0.0 fsf 3 ; dd if=/dev/rmt0.1 of=file3

单项选择题A system has a TCPIP issue that is a known problem. The newest code from the support website has been downloaded to resolve the issue. Which of the following commands should be used to install the new code?（）

A.smitty install_commit
B.installp -ugV
C.installp -aX
D.instfix -all