exportvg dev_vg； umount /development； varyoffvg dev_vg
varyoffvg dev_vg； umount /development； exportvg dev_vg
umount /development； exportvg dev_vg； varyoffvg dev_vg
umount /development； varyoffvg dev_vg； exportvg dev_vg
第1题：
An administrator has added a new device to a system and wants to determine if it has been correctly added to the ODM database. Which command would the system administrator use？（）
第2题：
An administrator has just installed a new NIC into the server. The system POSTs fine and the NIC is recognized by the OS, but it does not receive an IP address. Which of the following is the MOST likely cause of this?（）
第3题：
A system administrator has just applied an update to an AIX system to correct a problem, The APAR number is IX49035 and was shipped as part of the PTF number U437542. After applying the APAR fix, the administrator wants to ensure that the fix is applied before informing the system users of the corrected problem. Which of the following commands should the system administrator run to verify that the APAR fix has been applied to the system?（）
A.lslpp -f IX49035
B.lslpp -fB U437542
C.instfix -f IX49035
D.instfix -ik IX49035
第4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？（）
第5题：
A system administrator has been asked to install an APAR but wants to be able to easily remove it. Which install option should be used？（）
第6题：
After a server has been installed into a rack, an administrator must ensure which of the following?（）
第7题：
An administrator is planning an upgrade of a major software package on an application server.The software has been tested successfully in a test environment and it is ready to go into production. Which of the following steps should the administrator take next?（）
第8题：
A. The name?command.The ?name?command.
B. The ptime?command.The ?ptime?command.
C. The hutdown ast?command.The ?hutdown ?ast?command.
D. The ?etc/rc.shutdown?command.
第9题：
A System p administrator has been instructed to verify that all filesets have all required requisitesand are completely installed. Which of the following commands will provide this information（）
第10题：
An administrator is notified that a resource group has failed over from the home node， Node1 to a standbynode， Node2 and that Node1 has been powered off. Upon restarting Node1 the administrator checks the AIXerror log and the cluster.log Which of the following is the most likely cause of the failure of Node1？（）