The full name of RPO used in disaster recovery backup is:

Regarding the description of the hard disk domain in Huawei RAID 2.0+ technology, which of the following statement is incorrect?

OceanStor 5300V 3 is a dual-controller converged storage product. It must be ensured that the working controller of the LUN is consistent with the owning controller.

There are two statements about backups as follows:
Statement 1: The data backed up on the tape can be used for data recovery at any time, but only the historical data at the time of the backup can be recovered, not the data at the time of the failure.
Statement 2: Using tape as the backup medium is the highest RTO backup method.

The backup software in the backup system is called the backup server.