An  administrator  performs  an  audit  on  the  /usr  filesystem  and  finds  the  following  permissions：  -rwsr-xr-x  1  root  sys  514288  Jun  18  09：40  /usr/local/bin/nmon  Which  of  the  following  methods  can  the  administrator use to remove a potential security risk（）

单项选择题An  administrator  just  completed  an  AIX  installation  but  suspects  that  not  all  filesets  installed completely. Which of the following commands would verify that all filesets are completely installed（）

A.installp -E
B.Islpp -E
C.Ippchk -c
D.instfix -c

单项选择题ASystempadministratorsuspectstheyarereceivinganerrorfromoneoftheirnightlycronjobs.Thejobis：01*** usr local bin nightlycheck.plWhereshouldtheadministratorfirstlookforerrorsreportedbythiscronjob（）

A./var/log/syslog.out
B.var/log/cron.log
C./var/spool/cron/logs
D.mail

单项选择题ASystempadministratorsuspectstheyarereceivinganerrorfromoneoftheirnightlycronjobs.Thejobis：01*** usr local bin nightlycheck.plWhereshouldtheadministratorfirstlookforerrorsreportedbythiscronjob（）

A./var/log/syslog.out
B./var/log/cron.log
C./var/spool/cron/logs
D.mail

单项选择题An application is no longer required to start up automatically at system boot.  Which of the following  supported procedures would the administrator use to accomplish this（）

A.Edit the /etc/inittab and comment out the entry that starts the application by placing a at the beginning of the line.
B.Use the chitab command.
C.Use the rmitab command.
D.Edit the /etc/reboot file to remove the entry that starts the application.

单项选择题An  administrator  is  attempting  to  update  a  software  product.  The  install  is  interrupted  by  a  system  failure.  Which of the following commands would be used to clean up the improperly applied filesets（）

A.Ippchk -C
B.instfix -S
C.installp -c
D.installp -C