Which of the following businesses can use the SmartTier feature to improve storage system performance and reduce user costs? (Multiple Choice)

Engineers can plan subnets of different sizes by changing the length of the subnet mask by
___________ design.

The backup back-end capacity is determined by the initial capacity and data increment.

Which of the following descriptions about the running status and host access status of HyperMetro pairs are correct? (Multiple Choice)

If there are 5 SAS disks and 3 SSD disks in a Huawei OceanStor V3 hybrid flash storage system, and these 8 disks are placed in the same hard disk domain, when configuring storage pools, which of the following solutions are feasible? (Multiple Choice)