单选题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（）Afwtmp /etc/security/failedloginBcat /etc/security/failedloginCwhoDalog -f /etc/security/failedlogin -o
单选题
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
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