Which Are Customer Benefits Provided by the InfoTier Feature of Huawei

Which are customer benefits provided by the InfoTier feature of Huawei OceanStor 9000? (Choose all that apply.)

A) The response to hotspot data is faster, improving the storage performance.
B) The cost advantages of different storage media are brought into full play, reducing deployment and maintenance costs.
C) The storage performance is improved, and data is intelligently managed.
D) Based on the mapping between file attributes and storage devices, files are automatically migrated, simplifying management and reducing management costs.
E) None of the above