Which system resources can be managed by the InfoAllocator feature of Huawei OceanStor 9000? (Multiple Choice)

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)

SmartCache can support both SAN and NAS services.

If a disk in an OceanStor 9000 stays offline for 15 minutes, the system obtains the data on the disk through calculations and then writes the data to other functional disks.

Application Server X needs to access dab on StorageSystem X with multipathing software X and data on third-party StorageSystem Y with multipathing software Y.
The combination of multipathing software is generating errors. A colleague suggests using SmartVirtualization to represent the data on third-party StorageSystem Y in an eDevLUN on StorageSystem X.
This is: