Which two statements about native VLANs are true? (Choose two.)
A . VLAN 1 and VLAN 1001 are native VLANs by default.
B . The native VLAN is untagged over trunks.
C . The native VLAN can be changed on a per port basis.
D . Only one VLAN can be the native VLAN on a device.
E . Cisco Discovery Protocol versions 1 and 2 can carry native VLAN information
Answer: BC