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?（）

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.

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 the date and time that the file system ran out of room?（）

A.Mon Mar 20 14:01:00 
B.Sun Mar 19 18:40:00
C.Fri Feb 20 12:28:00 
D.Wed May 04 03:19:10

单项选择题Ausertriestoftpa3gigabytefiletoanAIXmachineatcertaintimesduringtheday.Thefiletransferfailsatexactly2,147,483,584byteseachtime.AllofthefollowingareprobablecausesofthefailuresEXCEPT:（）

A.AIX has not been updated to V4
B.fsize in /etc/security/limits file has not been set to -1
C.ftp can only transfer files > 2 gig in binary mode
D.The filesystem is not large-file enabled