单项选择题
Which CLI command displays error statistics for an interface in real-time?（）
A.monitor traffic B.show interfaces C.monitor interface D.show interfaces extensive
单项选择题 Which CLI command displays packet and byte counts for an interface in real-time?（）
多项选择题 Which two statements are true regarding interface properties? （）
多项选择题 Which two statements are true about the rescue configuration file?（）
