单选题A system administrator has an application that has the data in volume group appvg. Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors？（）A savevg -mf /dev/rmt0 appvgB savevg -cvf /de

第1题：

An AIX system has a rootvg plus a separate volume group for database application. Which of the following commands are sued to backup the entire system?（）

• A、smitty mksysb (select additional volume group)
• B、mkszfile && mksysb /dev/rmt0
• C、smitty mksysb AND smitty savevg
• D、smitty savevg (select additional volume group)

第2题：

A System p administrator has an application that has the data in volume group appvg.  Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors （）

• A、savevg -mf /dev/rmt0 appvg
• B、savevg -cvf /dev/rmt0 appvg
• C、savevg -vf /dev/rmt0 appvg
• D、savevg -f /dev/rmt0 -V appvg

第3题：

A system administrator has a filesystem called /test/data in volume group datavg. Which of the following commands will allow the administrator to create a mirrored copy of the filesystem’s data？（）

• A、chfs
• B、chlv
• C、mklvcopy
• D、mkfscopy

第4题：

Which of the following sequence of commands should be used to list the directories and files saved on a mksyst tape that has been rewound and placed in device rmt0?（）

• A、tet1 -f /dev/rmt0 fsf 2; restore -xqvf /dev/rmt0
• B、tet1 -f /dev/rmt0.1 fsf2; restore -Tvf /dev/rmt0.1
• C、tet1 -f /dev/rmt0.1 fsf3; restore Tqvf /dev/rmt0.1
• D、tet1 -f /dev/rmt0.1 fsf3; restore -Tvf /dev/rmt0.1

第5题：

A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（）

• A、The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.
• B、This backup will be bootable and the volume group and all jfs logical volumes will be recreated.
• C、This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.
• D、The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.

第6题：

Which of the following commands will remove the hardware definition of the tape drive rmt0 from a system？（）

• A、rm /dev/rmt0
• B、rmdel -s rmt0
• C、rmdev -dl rmt0
• D、tctl -f /dev/rmt0 erase

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第13题：

An administrator needs to be able to restore a mksysb created on SERVER_A using a 4MM tape drive， to SERVER_B that only has an 8MM tape drive. There is an additional server that has a  4MM drive at /dev/rmt0 and an 8MM drive at /dev/rmt1.  Which of the following procedures should be followed to convert from the 4MM to 8MM format（）

• A、tcopy /dev/rmt0.1 /dev/rmt1.1
• B、dd if=/dev/rmt0.1 of=/dev/rmt1.1
• C、tar -xvf /dev/rmt0.1tar -cvf /dev/rmt1.1
• D、cpio -ivcBDUM < /dev/rmt0.1cpio -ovcBDUM. >/dev/rmt1.1

第14题：

A system administrator has been asked to migrate the dev_vg volume group from server A to server B. The dev_vg volume group contains a single filesystem named "/development". To prepare for migration， which of the following is the correct sequence of commands for removing the volume group from server A？（）

• A、exportvg dev_vg； umount /development； varyoffvg dev_vg
• B、varyoffvg dev_vg； umount /development； exportvg dev_vg
• C、umount /development； exportvg dev_vg； varyoffvg dev_vg
• D、umount /development； varyoffvg dev_vg； exportvg dev_vg

第15题：

A system administrator is attempting to unmount filesystem /dev/data and receives the following message：   umount： 0506-349 Cannot unmount /dev/data： The requested resource is busy.   Which of the following commands can be used to determine which process has open references within the filesystem？（）

• A、lsfs
• B、topas
• C、fuser
• D、mount

第16题：

A pSeries server is being used as a file server and all data is stored on a non-root volume group and resides on mounted filesystems. Which of the following commands provides the quickest way to backup all of the data and filesystem definitions？（）

• A、tar
• B、cpio
• C、savefs
• D、savevg

第17题：

A system administrator has an application that has the data in volume group appvg. Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors？（）

• A、savevg -mf /dev/rmt0 appvg
• B、savevg -cvf /dev/rmt0 appvg
• C、savevg -xvf /dev/rmt0 appvg
• D、savevg -f /dev/rmt0 -V appvg

第18题：

A Volume Group appvg has been converted to enhanced concurrent volume mode using C- SPOC. How should the Volume Group be brought online？（）   

• A、 Using varyonvg appvg.
• B、 Using varyonvg -f appvg.
• C、 Under the control of resource group management.
• D、 Automatically at boot time using chvg -ay appvg.

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