单项选择题
A.cfgmgr
B.rmdev -d hdisk1 -l
C.reducevg rootvg hdisk1
D.have the IBM CE replace the disk
单项选择题 Followingasystemboot，thedisplayindicatesthatpreviouslydetectedhardwareismissing.Whatcommandshouldbeusedtoidentifythemissinghardware？（）
单项选择题 Asystem’sbackupsarefailing.Errorloganalysisindicatesthatthereiseitherahardwareormediaproblem.Whichcommandisusedtodetermineifthereisahardwareproblemwiththetapedrive？（）
单项选择题 Asystemadministratorwouldliketoverifytheuserdefinitionsinthe/etc/passwdfile.Whichofthefollowingcommandswillaccomplishthis？（）