Which of the following commands is used to configure the encapsulation type of an Ethernet port?

A. configure ethernetencap-typedot1q|null|qinq port port-id
B. configure service port port-id ethemetencap-typedot1q|null|qinq create

C. configure port port-id Ethernet encap-type dot1q|null|qmq

D. configure service service-id Ethernet encap-type dot1q|null|qinq create