In WLAN, it is used to receive wireless networks. What distinguishes different wireless networks?

Config mode is the default ACL matching sequence on Huawei devices.

As shown in the figure, it is the port status information displayed on a switch running STP. According to this information, which of the following descriptions is wrong?
MSTID Port Role STP State Protection
0 GigabitEthernet0/0/1 DESI FORWARDING NONE
0 GigabitEthernet0/0/2 DESI FORWARDING NONE
0 GigabitEthernet0/0/3 DESI FORWARDING NONE
0 GigabitEthernet0/0/21 DESI FORWARDING NONE
0 GigabitEthernet0/0/22 DESI FORWARDING NONE
0 GigabitEthernet0/0/23 DESI FORWARDING NONE

SNMP consists of which of the following parts? (Multiple choice)

As shown in the figure below, all hosts can communicate normally, so which is the correct relationship between SWA MAC address and port?