单项选择题
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?（）
单项选择题 Whichofthefollowingoptionsindicateswhyitisimportanttotalktotheuserandaskappropriatequestionsaboutasoftwareproblem?（）
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?（）