Which of the following descriptions of the relevant network plane is wrong?

A financial customer purchased several Huawei distributed storage devices for business deployment. In the unstructured service scenario, engineers need to divide the network into multiple planes.

Which of the following descriptions of the relevant network plane is wrong?
A . The management internal network is used for data communication between storage nodes and management nodes, including deployment upgrades, resource configuration, performance alarm reporting, certificate key updates, etc.
B . The management network is mainly used for system management and maintenance, and is connected to the customer management network
C . In the file service DPC scenario, the storage backend network can be used to communicate with the computing nodes to process the communication data between the DPC and the OSD
D . The business plane is used to connect with customer application systems and access storage through interfaces such as S3, HDFS, NFS, CIFS, and POSIK

Answer: C