To examine the Exhibit, press the Exhibit button. The e……

单项选择题AsystemadministratorneedstoupgradetheOracledatabasefromVersion7toVersion8.Whichofthefollowingschedulingconcernsshouldbeconsidered?（）

A.Schedule enough down time to backup, upgrade and reboot. 
B.Backup, upgrade, then schedule enough down time to reboot the system.
C.Backup, then schedule enough down time to upgrade and reboot the system. 
D.There are no scheduling concerns because no down time is required.

单项选择题Acustomerneedstoremoveanunnecessary,butactivepagingspacecalledpaging00onanAIX5Lsystem.Whichofthefollowingproceduresshouldbeusedtoproperlyremovethepagingspacewiththeleastamountofdisruption?（）

A.Remove the paging space with the rmps command. 
B.Disable the paging space with the chps command, swapoff /dev/paging00, and remove the paging00 logical volume with the rmps command. 
C.Reboot the system and disable the paging space with the rmps command. 
D.Disable the paging space with the chps command, swapoff /dev/paging00, reboot the system, remove the paging00 logical volume with the rmps command. 

单项选择题AnAIXsystemadministratorwantstobeabletomonitordiskusageandtobeabletocontrolhow muchdiskspacecanbeused.Whichcommandisruntoobtainthedesiredoutput?（）

A. /usr/bin/filemon 
B. /usr/bin/startsrc 
C. /usr/sbin/acct/startup 
D. /usr/bin/df

单项选择题Therootidissetsothatdirectloginisdisabled.Informationmustbereviewedrelatingtowhenrootaccesswasobtained.Inwhichofthefollowingfilesisthisinformationlocated?（）

A. /var/adm/sulog 
B. /var/adm/wtmp 
C. /etc/security/user 
D. /etc/security/failedlogin

单项选择题To examine the Exhibit, press the Exhibit button. Using the information provided in the exhibit, which of the following options indicates when the SSA error occurred?（）

A. 12:28am on May 25,1999 
B. 12:28pm on May 25,1999 
C. 5:25am on December 28,1999 
D. 5:25pm on December 28,1999