Which of the following description about GVRP interface registration mode in Huawei switch is true?
A . GVRP interface registration mode have four types.
B . When selecting Normal registration mode, allows the interface dynamic registration and logout VLA
C . Logout here include deleting dynamically learned VLAN and VLAN administrators created in the unit .
D . When selecting Forbidden registration mode, the interface layer 2 working mode must be Hybrid.
E . When selecting Fixed registration mode, interface can’t spread dynamic WLA