试题详情
- 单项选择题 A System p administrator is investigating a possible security breech and wants to review information about failed login attempts to the system. Which of the following commands will show this（）
A、fwtmp < /etc/security/failedlogin
B、cat /etc/security/failedlogin
C、who
D、alog -f /etc/security/failedlogin -o
- A
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