ASystempadministratorisinvestigatingapossiblesecuritybreechandwantstoreviewinformationaboutfailedlog

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A.fwtmp</etc/security/failedlogin

B.cat/etc/security/failedlogin

C.who

D.alog-f/etc/security/failedlogin-o

参考答案:

参考A

计算机考试