单项选择题
A.The placement of the logical volume
B.The stripe size of the logical volume
C.The upper bound of the logical volume
D.The intra-policy of the logical volume
单项选择题 WhichattributeofaJFSfilesystemcanNOTbechangedafterthefilesystemiscreated？（）
单项选择题 A system administrator is attempting to unmount filesystem /dev/data and receives the following message： umount： 0506-349 Cannot unmount /dev/data： The requested resource is busy. Which of the following commands can be used to determine which process has open references within the filesystem？（）
单项选择题 Whichcommandwillincreasethecontiguousfreespaceofafilesystemwithouthavingtoaddadditionalpartitions？（）