The Company security administrator is concerned with layer 2 network attacks.  Which two  statements about these attacks are true？ （）

• A、 ARP spoofing attacks are attempts to redirect traffic to an attacking host by encapsulating a  false 802.1Q header on a frame and causing traffic to be delivered to the wrong VLAN.
• B、 ARP spoofing attacks are attempts to redirect traffic to an attacking host by sending an ARP  message with a forged identity to a transmitting host.
• C、 MAC address flooding is an attempt to force a switch to send all information out every port byoverloading the MAC address table.
• D、 ARP spoofing attacks are attempts to redirect traffic to an attacking host by sending an ARP  packet that contains the forged address of the next hop router.
• E、 MAC address flooding is an attempt to redirect traffic to a single port by associating that port  with all MAC addresses in the VLAN.