单项选择题 An administrator needs to apply a Technology Level update. During the preview install， the output indicates that there is insufficient space in the /usr filesystem. Review of the root volume group indicates there are no available physical partitions， but the /test jfs2 filesystem is only 8% used.  What is the most efficient method to use the available space in the /test filesystem to apply the update？（）

单项选择题 Whichdescribestheoperationrequiredtomovetoanewreleaselevelofsystemfirmware？（）

单项选择题 Refer to the following output：  The current permanent system firmware image is EM340_041The current temporary system firmware image is EM340_075 The system is currently booted from the temporary firmware image. Which command will display similar information？（）