Regarding the description of the physical network of FusionSphere OpenStack, which of the following is incorrect?
A . The physical network defines the mapping between the virtual network and the physical network port of the host.
B . Virtual machines can directly use the physical network
C . The physical network is mapped to the physical network port or the bound physical network port on the host.
D . Virtual machines on different physical hosts can communicate with each other through the same physical network.
Answer: B