An administrator needs to add the /usr/vac/bin directory to their PATH environment variable for the current session. 
Which of the following will accomplish this task（）

单项选择题An administrator attempts to add a new 100GB logical volume to the datavg volume group， which resides on hdisk1.  How can the administrator easily determine if there is enough space in datavg to create the logical volume（）

A.lslg datavg
B.lspv datavg
C.lsvg datavg
D.lslv hdisk1

单项选择题ASystempadminstratormustrecoveruserinformationfromasystemthatwillnotsuccessfullyboot.Whichofthefollowinginstallmethodswillaccomplishthis（）

A.Preservation
B.Migration
C.New and complete overwrite
D.Repair

单项选择题Whenusingamksysbandbasemediatocloneasystem，whichofthefollowingwillcausetheinstallationtofail（）

A.mksysb made on a single processor machine but is being installed on a multiple processor machine， no editing of the image.data file
B.mksysb made on machine with mirrored rootvg and new machine only has one disk in rootvg， no editing of the image.data file
C.mksysb made on a machine with 32GB of RAM but being installed on a machine with only 8GB of RAM
D.mksysb made on a machine with virtual Ethernet adapter but being installed on a machine which only has a physical Ethernet adapter

单项选择题WhichofthefollowingcontaintheBOSODMfiles（）

A./usr/objrepos
B./usr/lpp/objrepos
C./usr/bin/objrepos
D./etc/objrepos

单项选择题A System p administrator needs to set the default password length for all users to six characters.  Which of the following files needs to be edited to accomplish this （）

A./etc/security/limits
B./etc/security/mkuser.sys
C./etc/security/priv
D./etc/security/user