单项选择题

A mirrored root disk needs to be replaced. Which of the following commands will clear the boot record on the failing disk？（）

A.chpv -c
B.rmlv hd5
C.bosboot -ad
D.rmdev -dl hd5

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单项选择题

Asystemadministratorhasdeterminedarootmirroreddisk，hdisk1，needstobereplaced.Therootvolumehasbeenunmirrored.Whatisthenextsteptoremovethediskdrive？（）

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？（）

A.diag
B.lscfg
C.cfgmgr
D.lsattr

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