When building a video surveillance cloud, what are the advantages of using object storage? (Multiple choice)

Which of the following statements about backup policy formulation principles is incorrect:

Among the data replication technologies used for disaster recovery, host-layer data replication features good compatibility with servers and storage devices.

The QoS characteristics of the object service, for applications with different priorities, different buckets can be configured, and the TPS of the buckets and the allocation of bandwidth resources can be controlled through QoS; different QoS policies can be configured for VIP tenants and ordinary tenants in the same system to ensure the quality of service for high-priority tenants.

The real-time inspection tool in the OceanStor Toolkit can tell us;