单项选择题
A.set interfaces fe-0/0/0 unit 0 ethernet-options mtu 1200
B.set interfaces fe-0/0/0 mtu 1200
C.set interfaces fe-0/0/0 unit 0 mtu 1200
D.set interfaces fe-0/0/0.0 mtu 1200
单项选择题 After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）
单项选择题 Which statement is correct about logical units on Juniper Router interfaces?（）
单项选择题 Which command configures an address of 192.168.1.1 with a mask of 255.255.255.0 on interface ge-0/0/0?（）