which two statements about VLAN hopping are true?

As a network technician ,you should know the VLAN hopping, can you tell me which two statements about VLAN hopping are true? (Choose two.)

A.
Attacks are prevented by utilizing the port-security feature.

B.
Configuring an interface with the switchport mode access command will prevent VLAN hopping.

C.
An end station attempts to redirect VLAN traffic by broadcasting multiple ARP requests.

D.
An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.