The host PCA, PCB and PCC are respectively connected to the GigabitEthernet1/0/1 GigabitEthernet1/0/2 and GigabitEthernet1/0/3 ports of the switch SWA, and the host addresses are in the same network segment. If you want to realize that both PCA and PCB can access PCC , But PCA and PCB are isolated from each other. Which of the following technologies or methods can meet customer needs

The host PCA, PCB and PCC are respectively connected to the GigabitEthernet1/0/1 GigabitEthernet1/0/2 and GigabitEthernet1/0/3 ports of the switch SWA, and the host addresses are in the same network segment. If you want to realize that both PCA and PCB can access PCC , But PCA and PCB are isolated from each other. Which of the following technologies or methods can meet customer needs
A . Port isolation technology
B . Use port Hybrid attributes
C . Isolate-user-vlan technology
D . SuperVLAN technology

Answer: ABC