Which two are valid configurations of an interface?（）

A.0
B.2
C.3
D.4

A.set interfaces fe-0/0/0 address 10.1.1.1/24
B.set interfaces fe-0/0/0.0 family inet address 10.1.1.1/24
C.set interfaces fe-0/0/0.0 address 10.1.1.1/24
D.set interfaces fe-0/0/0 unit 0 family inet address 10.1.1.1/24

A.Units in JUNOS are always required for any interface configured with logical addresses such as IP and IPv6.
B.Units in JUNOS are only required when you are configuring sub-interfaces for inter-VLAN routing.
C.Unit numbers must match the DLCI or VCI numbers configured on the interface.
D.Unit 0 is the only value allowed on interfaces running HDLC, PPP, or for Ethernet interfaces not doing VLAN-tagging.