The following figure is a typical WLAN networking diagram, which of the following description is correct? (Multiple choice)
A . This network diagram is the local forwarding mode of data packets. All the data packets in the figure do not go through AC
B . All management packets must be forwarded through the tunnel
C . All signaling packets can be forwarded directly and do not need to be forwarded through the tunnel
D . The wireless user service data in this networking diagram needs to be completed on the AC after 802.3 and 802.11 packet translation then forward through the uplink aggregation switch
Answer: CD