Which technology is used to provide both an auxiliary VLAN and a native VLAN capability between a Cisco switch and a Cisco IP phone through a single port?

Which technology is used to provide both an auxiliary VLAN and a native VLAN capability between a Cisco switch and a Cisco IP phone through a single port?

A.
802.1q

B.
802.3

C.
802.1p

D.
CDP

E.
FDDI