The Company security administrator wants to prevent VLAN hopping on the network.  What is one  method that can be used to do this？  （）

• A、 Attacks are prevented by utilizing the port-security feature.
• B、 An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the  802.1q encapsulation.
• C、 Configuring an interface with the switchport mode dynamic command will prevent VLAN  hopping.
• D、 An end station attempts to redirect VLAN traffic by transmitting Ethernet frames in the 802.1q  encapsulation.
• E、 Configuring an interface with the "switchport mode access" command will prevent VLAN  hopping.