The Company security administrator is concerned with VLAN hopping based attacks. Which two statements about these attacks are true？ （）
- 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.