(Multiple choice) The following aboutFusion AccessmiddleITADescription of the component, which options are correct?

If a tenant needs to deploy multiple applications at one time, which of the following methods is recommended for automatic orchestration?

FusionCloudis one of the public cloud products

FusionStorage block storage adopts distributed cluster management mode, the system is fully redundant, and there is no single point Fault. Supports two data redundancy protection mechanisms: multiple copies and EC (Brasure Coding).
Which of the descriptions of copy and EC is wrong?

For CVMs with shared volumes mounted on FusionCloud, it is not supported to apply for CVM backup CSBS service instances and cloud server high-availability CSHA service instances.