单项选择题 Which command enables new devices that are connected to the scsi5 adapter without performing a full scan of the system?（）

单项选择题 A system has two configured fibre channel cards, one of which, fsc0, has failed and must be replaced. Which command should an administrator use to remove the card device and attached child devices?（）

单项选择题 An administrator has added hdisk2 to rootvg and would like to create a boot logical volume on the disk soit can be used as theprimary boot partition on the next reboot. Which command should the administrator use?（）