A.View particular alarms before general alarms.

B.Replace faulty devices before viewing alarms or errors.

C.View advanced errors before low-level errors.

D.View external errors before internal errors.

A.RPO = 0 RTO ≈ 0

B.RPO = 0 RTO = 0

C.RPO > 0 RTO > 0

D.RPO ≈ 0 RTO = 0

A.A maximum of 1 GB data can be written into subdirectory B.

B.A maximum of 2 GB data can be written into subdirectory B.

C.A maximum of 2 GB data can be written into directory A.

D.A maximum of 1 GB data can be written into directory A.

A.Double mapping of catalog metadata to realize business data logic redundancy

B.Local snapshots to achieve business data redundancy

C.Active-active, replication, backup to achieve data redundancy between sites

D.RAID 2.0+, multiple copies, to achieve local physical data redundancy

A.Snapshot

B.WORM

C.Physical domain division

D.File data protection

E.Data restoration

F.Metadata protection