单项选择题
Which presents the heirarchical relationship between LVM entities?（）
A.VolumeGroup>PhysicalVolume>LogicalVolume>Filesystem
B.PhysicalVolume>VolumeGroup>LogicalVolume>Filesystem
C.VolumeGroup>PhysicalVolume>Filesystem>LogicalVolume
D.PhysicalVolume>VolumeGroup>Filesystem>LogicalVolume
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A.swapon paging01
B.chps y paging01chps ? y paging01
C.mkps /dev/paging01mkps ? /dev/paging01
D.swap /dev/paging01swap ? /dev/paging01 -
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C.Run installp -u to uninstall the filesets.
D.Restore the system to previous state from the system backup.
