A system administrator wants to automatically eject the backup tape each night after the backup is complete. Which command can be used to eject the tape？（）

单项选择题Therootvgdiskonasystemfailedandwasreplaced.Thesystemwasrestoredusingthelatestmksysb.However，nofilesinthe homefilesystemwererestored.Whatisthelikelycauseofthisproblem？（）

A.The new drive is too small to hold the entire rootvg
B.The /home filesystem was not mounted during creation of the mksysb
C.The /home stanza in the bosinst.data contained an entry ’restore=no’
D.The /home filesystem was NFS exported to another system during creation of the mksysb

单项选择题Asystemwithoutamonitorhascrashed.Theadministratorwouldliketoseetheconsoleoutputtodetermineapossiblecauseofthecrashandensurethattherewerenoproblemsonreboot.Whichcommandwouldbeused？（）

A.alog
B.swcons
C.lscons
D.syslog

单项选择题AfteraddinganewEthernetcardtoasystemandrebooting，thesystemadministratornoticesthecardwasnotconfigured.Howcanthesystemadministratordetermineiftherewereerrorsduringtheconfigurationprocessforthecard？（）

A.Examine the bootlog with the command： alog -o -f /var/adm/ras/bootlog
B.Display the device attributes and errors with the command： lsdev -C -l ent0
C.Examine the AIX errlog for configuration method errors with the command： errpt -a -C ent0
D.Examine the ODM for configuration errors with the command： odmget -q "method_errors" ent0

单项选择题Aserverwillnotbootandtheadministratorneedstorunfsckonthefilesystemstoverifytheirintegrity.InstallationmediaanddiagnosticmediaisunavailableandthereisnoNIMmasterdefinedinthisenvironment.Howwouldtheadministratorbringthesystemuptobeabletorunfsckonallthefilesystems？（）

A.Boot from the IBM Disaster Recovery boot server thru the network.
B.Installation media or diagnostics media is required to acquire the rootvg.
C.Boot to maintenance mode， enter a limited function shell， and execute getrootfs hdisk0.
D.Hold space bar at boot time to automatically initiate a limited function shell， then enter getrootfs hdisk0.

单项选择题AsystemadministratorhasplacedanAIXbasemediaCD-ROMinaserverandinitiatedareboot.Theserverhasanasciiterminalattachedtoit.Whichkeyorkeycombinationmusttheadministratorpresstoinitiatethemaintenancemode？（）

A.5
B.M
C.F8
D.Ctrl-Alt-Delete