When expanding business storage resources in Huawei Cloud Stack, which of the following descriptions of the networking scenario is wrong?

When expanding business storage resources in Huawei Cloud Stack, which of the following descriptions of the networking scenario is wrong?
A . When expanding the storage pool in the same Huawei distributed storage cluster, the networking type of the expanded storage node can be different from the original storage node networking type.
B . When expanding storage devices in the same AZ, you need to ensure that the networking type of the expanded storage device is consistent with the original storage networking type.
C . When creating a new backend EVS storage pool, if Huawei distributed block storage is used as the backend storage, only 10GE and 25GE TCP/IP networking is supported.
D . When creating a new backend EVS storage pool, if you choose to use SAN storage, only IP and FC networking are supported.

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Answer: A