单项选择题
Which of the following problems has occurred when a menu appears and prompts the user to "copy a dump to external media?（）
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.
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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
