城市生态系统的主要特征有哪些？
A patch has been applied to the operating system. After rebooting, the system is hung. Which of the following commands should have been performed to prevent the system from hanging?（） lppchk, bosboot 。 lslpp -l, oslevel 。 installp -C, lppchk 。 bosboot, synclvodm&e。
Which fastpath would be used to go directly to commit applied software？（） smit commit。 smit install。 smit software。 smit verify_install。
After months of negotiations and several proposals， the customer indicates that they may be ready to purchase a pSeries system. Rather than quickly ordering the last configuration proposed， what is the most appropriate next step for a pSeries technical specialist to improve the chance of a successful project？（） Obtain buy-in and feedback from the customer.。 First ask the client executive if financing has been arranged.。 Plan the installation and rollout schedule before ordering.。 Confirm that any additional requirements are handled by others.。
可实现“门到门”运输的是（） 铁路运输。 水路运输。 公路运输。 航空运输。
A system administrator has a failed disk drive that is mirrored to another disk drive. They successfully removed the logical volume copies off of the failed disk drive. Which of the following commands should be used to remove the failed disk drive from the volume group？（）
