Several people in an Information Technology （IT） department are asking for fileset updates that the system administrator received earlier that day on CD-ROM. The system administrator created an install directory on their machine and made it available to everyone. Which of the following commands will allow the system administrator to copy the images from the CD-ROM to the install 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

单项选择题AsystemadministratorwilluseamksysbfromauniprocessormicrochannelserverrunningAIX5.1toinstallamultiprocessorchrpserver.Whatelseisrequired？（）

A.A 5.1 AIX base media set
B.A 5.1 Additional Device Driver CD
C.A mksysb of the multiprocessor chrp server
D.A savevg of the uniprocessor microchannel server

单项选择题AsystemadministratorwillbemigratingaserverfromAIX5.1toAIX5.2andisuncertainiftheapplicationrunningontheserverwillfunctionproperlyafterthemigration.WhatisthefastestwaytoreturntothepreviousAIXleveliftheapplicationdoesnotwork？（）

A.Use base media to restore system to AIX 5.1.
B.Use an alt_disk_install and boot back to the AIX 5.1 rootvg.
C.Make a mksysb of the original AIX to restore back to the AIX 5.1 level.
D.Perform the AIX 5.2 upgrade using update_all with the commit option and reject filesets to return to AIX 5.1.