单项选择题
A. /usr/bin/filemon
B. /usr/bin/startsrc
C. /usr/sbin/acct/startup
D. /usr/bin/df
单项选择题 Therootidissetsothatdirectloginisdisabled.Informationmustbereviewedrelatingtowhenrootaccesswasobtained.Inwhichofthefollowingfilesisthisinformationlocated?（）
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?（）