The cloud hard disk EVS can provide highly reliable, high-performance, rich specifications, and elastically expandable block storage services for elastic cloud servers to meet the business needs of…

The cloud hard disk EVS can provide highly reliable, high-performance, rich specifications, and elastically expandable block storage services for elastic cloud servers to meet the business needs of different scenarios. It is suitable for distributed file systems, development and testing, data warehouses, and high-performance Calculation and other scenarios. Regarding the disk mode of the cloud hard disk, which of the following items are correct? (Multiple choice)