(multiple choice) The value of Huawei OceanStor 9000 InfoTier is reflected in:

It can ensure the system's response speed to hot data access and improve the storage performance of the entire system.

Comprehensively utilize the cost advantages of different storage media to effectively reduce deployment and maintenance costs.

Improve system storage performance and realize intelligent data management.

Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management.