A system administrator has determined that a recently applied APAR needs to be removed. Which of the following installp options will remove the APAR？（）

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

单项选择题AproductionsystemneedstobeupgradedfromAIXV5.1toAIXV5.2.Alllogsandusersneedtobesaved.Whichinstallationmethodwillaccomplishtheupgrade？（）

A.Update Installation
B.Migration Installation
C.Preservation Installation
D.New and Complete Overwrite Installation