Which of the following storage nodes will configure an SSD as a multi-select read cachen by default (multi- select)

When purchasing a storage device, the available capacity is less than the actual hard disk capacity. Which of the following possible reasons is correct ()

The object storage services provided by OceanStor9000 (compatible with single-select Amazon S3 and OpenStack Swift) are all A unified RESTful API is provided externally, and the client can access storage nodes through STfulAPI to realize data storage.

In the HyperMetro active-active data center solution, you need to configure the active-active domain before configuring the dual-single-selection active-active pair.
The active-active domain is a logical concept, which can include two sets of storage arrays and quorum servers that need to create active-active relationships.

Multiple selections The customer value of the InfoEqualizer feature of Huawei Oceanstor 9000 (C30) is reflected in: (multiple selections)