单项选择题
A./opt/freeware/bin
B./usr/bin/freeware
C./var/freeware/bin
D./usr/sbin/freeware
单项选择题 Asystemadministratorhasanapplicationthathasthedatainvolumegroupappvg.Whichofthefollowingcommandswillbackupthecontentsofappvgtothetapein/dev/rmt0andcheckforanyreaderrors？（）
单项选择题 ApSeriesserverisbeingusedasafileserverandalldataisstoredonanon-rootvolumegroupandresidesonmountedfilesystems.Whichofthefollowingcommandsprovidesthequickestwaytobackupallofthedataandfilesystemdefinitions？（）
单项选择题 Acompanyusesrawlogicalvolumes.Whichcommandcanbeusedtobackupthedataintherawlogicalvolumestoatape？（）