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