A. For the ingress port for the Access attribute, if the input data carries the VLAN ID, discard.
B. For the inbound port of the Tag Aware attribute, if the input data carries the VLAN ID, transparently receive the data.
C. For the ingress port of the Access attribute, if the input data does not carry the VLAN ID, it is directly transparent.
D. For the ingress port of the Tag Aware attribute, if the input data does not carry the VLAN ID, discard.