A system administrator needs to upgrade the Oracle database from Version 7 to Version 8.  Which of the following scheduling concerns should be considered?（）

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

单项选择题Whichofthefollowingproblemshasoccurredwhenamenuappearsandpromptstheuserto copyadumptoexternalmedia?（）

A. The external dump device is full. 
B. The dump device was set to /dev/hd7 before the dump happened. 
C. The boot failed while copying the dump from paging space to a file. 
D. The dump device was not set to a paging device before the dump happened.