Which are customer benefits provided by the InfoTier feature of Huawei OceanStor 9000? (Multiple Choice)
A . The response to hotspot data access 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.
Answer: ABCD