单项选择题
A.Inline logging
B.Dynamic inode allocation
C.Linear directory organization
D.Online filesystem defragmentation
单项选择题 Asystemadministratorhasafilesystemcalled/test/datainvolumegroupdatavg.Whichofthefollowingcommandswillallowtheadministratortocreateamirroredcopyofthefilesystem’sdata？（）
单项选择题 Asystemadministratorcancreatelogicalvolumesandthenaddfilesystemstothem，orcreatethefilesystemdirectly.Whatisanadvantageofthetwo-stepapproachinsteadoftheone-stepapproach？（）
单项选择题 Whichcommandlistsoutthephysicalvolumenamesaswellastotal/freePPsinvolumegroupdatavg？（）