When configuring a wireless network for dynamic VLAN allocation, which three IETF attributes must be supplied by the radius server? (Choose three.)

When configuring a wireless network for dynamic VLAN allocation, which three IETF attributes must be supplied by the radius server? (Choose three.)
A . 81 Tunnel-Private-Group-ID
B . 65 Tunnel-Medium-Type
C . 83 Tunnel-Preference
D . 58 Egress-VLAN-Name
E . 64 Tunnel-Type

Answer: ABE