A. usr bin filemon B. usr bin startsrc C. usr sbin acct……

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.

单项选择题Afilenamed core existsinthecurrentdirectory.Whichofthefollowingcommandsshouldbeusedtodeterminewhatcreatedthe core file?（）

A. dump -t core 
B. strings core 
C. trace -a core 
D. crash core /unix_up

单项选择题Whichofthefollowingoptionsindicateswhyitisimportanttotalktotheuserandaskappropriatequestionsaboutasoftwareproblem?（）

A.Software problems don't generate errors. 
B.The user is more knowledgeable about software. 
C.The system logs will provide useful information alone. 
D.Key information pertaining to the software may be uncovered.