Which command prompts an ERX Edge Router to go into a loopback mode on T1 number 1 when a command is received from a remote ERX Edge Router?（）

单项选择题Which control expression must be the last line in all macros?（）

A.A
B.B
C.C
D.D

单项选择题Which command is used to execute a macro called setup.mac ?（）

A.A
B.B
C.C
D.D

单项选择题Which configuration command removes all log filters currently configured on the ERX Edge Router?（）

A.A
B.B
C.C
D.D

单项选择题A log filter of log severity DEBUG pppPacket ATM 4 3.66 is configured within the category of pppPacket. Which configuration command removes this specific log filter?（）

A.A
B.B
C.C
D.D

单项选择题A log filter of log severity DEBUG pppPacket ATM 4 3.66 is configured within the category of pppPacket. Which configuration command removes this specific log filter?（）

A.A
B.B
C.C
D.D