As shown in the figure, which one of the following descriptions of dual-machine hot standby based on transparent mode is incorrect?

A . Since the service interface of the firewall works on the second layer, it cannot run services related to IP addresses.
B . In this network, the firewall is transparently connected to the original switch network without changing the network topology.
C . It is recommended that this network work in load sharing mode to share user traffic
D . By default, the status of any VLAN will not be adjusted based on the VGMP group status.

Answer: C