Which two commands will implement this solution?

Your customer wants to connect a VoIP phone to interface ge-0/0/5 on an EX4200 switch in VLAN 20 and connect a PC to the VoIP phone. The PC should be part of VLAN 30.

Which two commands will implement this solution?
A . set interface ge-0/0/5.0 family ethernet-switching vlan members vlan-20
B . set ethernet-switching-options voip interface ge-0/0/5.0 vlan 20
C . set interface ge-0/0/5.0 family ethernet-switching vlan members vlan-30
D . set ethernet-switching-options voip interface ge-0/0/5.0 vlan 30

Answer: BC