A disaster recovery system can copy service data to a local or remote data center for protection.
In which scenarios the disaster recovery system cannot restore data? (Multiple Choice)

The customer puts forward the requirements of RPO=0 and RTO=0, and the colleague chooses the master-standby synchronous remote replication disaster recovery plan, so the plan is?

In the Huawei OceanStor backup solution, which of the following modules should be considered when configuring the backup software to create a storage strategy? (Multiple choice)

InfiniBand can be used for communication between servers and servers, servers and storage devices, and servers and networks.

What is the minimum number of nodes required for deploying an OceanStor 9000 cluster?