A scientific research customer purchased several Huawei distributed storage systems for HPC business deployment. In order to ensure the performance requirements of the business, the engineer now needs to configure DPC file services on the storage system. Which of the following configuration descriptions of the engineer is correct? One item?

A scientific research customer purchased several Huawei distributed storage systems for HPC business deployment. In order to ensure the performance requirements of the business, the engineer now needs to configure DPC file services on the storage system. Which of the following configuration descriptions of the engineer is correct? One item?
A . If an engineer wants to enable the feature that allows the creation of namespaces with the same name for different accounts, this can be achieved by executing the change space ops cnd-sameFsName args-set,1 command
B . Engineers can install DPC software in an existing container environment and need to configure the container node and install the network management component.
C . After the fusion storage pool is created, engineers need to enable the object service and big data service types of the nodes in the storage pool, while the file service type does not need to be checked.
D . When creating a disk pool, engineers do not need to select main memory and cache, but need to configure the grading level.

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Answer: A