Due to operational commitments， a system has a very short backup window during the week， but is not used from Saturday morning through Sunday at Midnight. 
Which of the following minimizes backup and recovery time， while providing complete data restore coverage （）

单项选择题A System p administrator would like to verify the user definitions in the  etc passwd file.  Which of the following commands will accomplish this（）

A.sysck
B.usrck
C.lssec
D.lsuser

单项选择题A System p administrator has an application that has the data in volume group appvg.  Which of the following commands will back up the contents of appvg to the tape in  dev rmt0 and check for any read errors （）

A.savevg -mf /dev/rmt0 appvg
B.savevg -cvf /dev/rmt0 appvg
C.savevg -vf /dev/rmt0 appvg
D.savevg -f /dev/rmt0 -V appvg

单项选择题Whichofthefollowingcommandswouldasystemadministratorusetoautomatemonitoringandnotificationoffillingfilesystems（）

A.startcondresp
B.filemon
C.lsfs
D.mount

单项选择题A System p administrator is currently working on a problem with IBM Support. The administrator feels that their expectations are not being met on this problem.  What is the IBM recommended procedure to ensure that the request is handled appropriately （）

A.Request to change the severity to 1.
B.Request to speak to the Duty Manager.
C.Request to escalate the problem to development.
D.Call IBM Support again and restart the process

单项选择题Whichofthefollowingisthecorrectformatfor etc inittabentries（）

A.Runlevel：Action：Identifier：Command
B.Identifier：Runlevel：Action：Command
C.Command：Action：Identifier：Process
D.Process：Runlevel：Command：Identifier