In Fusion Compute, when data is sent from the VM and passes through the port group of the virtual switch, it will be processed according to the settings. What are the specific processes? (Multiple choice)

In Fusion Compute, when data is sent from the VM and passes through the port group of the virtual switch, it will be processed according to the settings. What are the specific processes? (Multiple choice)
A . Determine whether to forward or not based on the existing VLAN tag of the frame
B . Replace the destination MAC address of the data frame
C . Change the source MAC address of the data frame
D . Add the corresponding VLAN tag to the data frame

Answer: AD