8.6 References

8.7 Quiz

  1. Which of the following files contains the logical volume and filesystem information that mksysb saves during a system backup?
    A.
    /fs.size
    B.
    /image.data
    C.
    /bosinst.data
    D.
    /install.data

  2. A system administrator would like to have the system eject a backup tape each night after the system backup is complete to ensure that it is not overwritten. Which of the following commands can be used to eject the tape?
    A.
    tctl
    B.
    eject
    C.
    rmdev
    D.
    rmtape

  3. At the XYZ Company, the system administrator has implemented a daily backup schedule for the /home filesystem. The filesystem is stored on the 4 mm tape drive /dev/rmt1 using tar. What command can be used to verify the most recent tape has successfully stored the files in /home.
    A.
    tar -ivf /dev/rmt1
    B.
    tar -tvf /dev/rmt1
    C.
    tar -lvf /dev/rmt1.1
    D.
    tar -ivf /dev/rmt1.1 /home

  4. At XYZ company, a nightly backup is performed to the tape drive using mksysb scheduled by cron. Where can the system administrator look to find the output of the mksysb command?
    A.
    /smit.log
    B.
    /var/adm/messages
    C.
    /var/spool/mail/root
    D.
    /var/spool/cron/cronlog

  5. The system administrator at ABC calls to ask for assistance while backing up of the rootvg with the mksysb command. The mksysb command fails with the following error message: 
    0511-084 internal packing error

    What should the system administrator do to resolve this error?

    A.
    Use the -p flag with mksysb.
    B.
    Run fsck on the rootvg file system.
    C.
    Disable compression on the tape drive.
    D.
    Specify an alternate density setting on the tape drive.

  6. The system administrator of company ABC has been asked to restore some files from an old backup of the /home filesystem. The restore is failing because the block size of the tape drive is incorrect. The system administrator does not know to what block size the backup was written. What command can be used to determine the block size of the tape?
    A.
    tar
    B.
    tctl
    C.
    cpio
    D.
    tcopy

  7. The intranet Web server for the ABC company experienced a disk drive failure and the system must be restored for the mksysb backup tape. With the backup tape in the tape drive, what is the first step the system administrator should use to initiate the mksysb restore?
    A.
    Boot the server in service mode.
    B.
    Issue the boot -mksysb command.
    C.
    Press the reset button when the C31 LED appears.
    D.
    Hold down the reset button when powering on the server.

  8. A technical specialist working on an RS/6000 Model 397 running AIX 4.3.1 determines that the system needs to be reinstalled with the same version of the operating system. What is the best method to perform the reinstallation without erasing /home and /data, a file system used to store project data?
    A.
    Reinstall bos.rte from the installation media.
    B.
    Perform a preservation installation from a mksysb.
    C.
    Perform a migration installation from the installation media.
    D.
    Perform a preservation installation from the installation media.

8.7.1 Answers

  1. B

  2. A

  3. B

  4. C

  5. A

  6. D

  7. A

  8. D

8.8 Exercises