In Huawei Cloud Stack, which of the following descriptions of the relationship between the physical network, virtual network, and external network is incorrect?

In Huawei Cloud Stack, which of the following descriptions of the relationship between the physical network, virtual network, and external network is incorrect?
A . A physical network can be mapped with — a network card
B . The virtual network is carried on the physical network. Multiple virtual networks can be created based on one physical network.
C . The external network is a special virtual network, providing two types: VLAN and C LOCAL
D . When the external network is a VLAN type, the traffic does not pass through the physical network

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Answer: D