A system administrator is installing a C compiler on a system. According to the compiler’s documenation， the AIX fileset bos.adt.lib must be installed prior to installation of the compiler. Which command would the system administrator use to verify installation of the bos.adt.lib fileset？（）

单项选择题AsystemadministratorhasdeterminedthatarecentlyappliedAPARneedstoberemoved.WhichofthefollowinginstallpoptionswillremovetheAPAR？（）

A.cleanup
B.commit
C.deinstall
D.reject

单项选择题AsystemadministratorhasbeenaskedtoinstallanAPARbutwantstobeabletoeasilyremoveit.Whichinstalloptionshouldbeused？（）

A.apply
B.cleanup
C.commit
D.reject

单项选择题SeveralpeopleinanInformationTechnology（IT）departmentareaskingforfilesetupdatesthatthesystemadministratorreceivedearlierthatdayonCD-ROM.Thesystemadministratorcreatedaninstalldirectoryontheirmachineandmadeitavailabletoeveryone.WhichofthefollowingcommandswillallowthesystemadministratortocopytheimagesfromtheCD-ROMtotheinstalldirectory？（）

A.smit bffcreate from the target directory
B.tar -xvf /dev/cd0 from the target directory
C.restore -xvqf /dev/cd0 from the target directory
D.mount the cdrom on /cdrom and cp /cdrom/* . from the target directory

单项选择题Asystemadministratorhasjustinstalledanewmaintenancelevel，but oslevel-r doesnotshowthecorrectmaintenancelevel.Whatcommandcanbeusedtodeterminewhichfilesetsaredownlevel？（）

A.lppchk
B.instfix
C.fixdist
D.maintlvl

单项选择题AcustomerhasapSeriesthatneedstobeupgradedfromAIXVersion5.1toAIXVersion5.2.Thecustomerwantstoretain etc passwd.Whichofthefollowinginstallationtypesshouldbeused？（）

A.Preservation Install
B.Retention Install
C.Overwrite Install
D.Migration Install