During system boot, rootvg fails to vary on, causing an LED code of 0552. What is the most likely cause for rootvg not varying on?（）
During which phase of the boot process is the rootvg volume group varied on and the root file system （hd4） checked？（） A、Boot phase 1B、Boot phase 2C、Boot phase 3D、Boot phase 4
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The rootvg disk on a system failed and was replaced. The system was restored using the latest mksysb. However， no files in the /home filesystem were restored. What is the likely cause of this problem？（）A、The new drive is too small to hold the entire rootvgB、The /home filesystem was not mounted during creation of the mksysbC、The /home stanza in the bosinst.data contained an entry ’restore=no’D、The /home filesystem was NFS exported to another system during creation of the mksysb
During system boot， the system hangs at LED 0C31. What is the first step the system administrator should take to correct the problem？（）A、Check system console connectionsB、Check system network connectionsC、Boot in service mode and change the bootlistD、Boot from the AIX installation media and mount rootvg filesystems
What is the likely cause of a system hanging at boot code 557?（）A、The system is configuring network adapters.B、The system is configuring fibre channel devices.C、The system is unable to mount the rootvg filesystems.D、The system is unable to access the installation media.
During which boot phase is the rootvg first activated（）A、Phase 1B、Phase 2C、Phase 3D、POST Phase
During system boot， the boot process hangs at LED 0551. Which of the following is a likely cause（）A、A network problemB、corrupted filesystemC、corrupted ODMD、corrupted /etc/inittab file
During reboot the system hangs with an LED 0554 message that means， "The boot device could not be opened or a read failed." What recovery procedures should be taken？（）A、Boot in maintenance and use fsck to check hd5.B、Boot in maintenance mode， access the rootvg and check the /etc/inittab for corruption.C、Boot in maintenance mode， access the rootvg and rebuild the boot image using the bosboot command.D、Boot in maintenance mode， access the rootvg and use the bootlist command to create a valid boot list.
