Which of the following analyses of the CFW service flow in Huawei Cloud Stack is correct?

Which of the following analyses of the CFW service flow in Huawei Cloud Stack is correct?
A . CFW-ES/CFW-DF reads the traffic information of the ECS from CFW-Service
B . Users create and manage different attributes through the cloud firewall interface on the ManageOne operation and maintenance interface
C . Neutron writes traffic information of the elastic cloud server to CFW-Service
D . CFW-Service calls the FWaaS interface provided by Neutron to complete the creation of rules

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Answer: D