A.True

B.False

A.The backup software can back up data to tape for offline archiving.

B.Compared with disaster recovery, the recovery granularity of backup is finer, files can be used as the recovery level, and multiple recovery versions can be made.

C.If the format of the source data and the backup data are the same, the backup data can be directly read and written by the host.

A.File system snapshot is a copy of data generated by the source file system at a certain point in time

B.When creating a file system snapshot, because the snapshot is stored in a new location, the write operation will affect Storage LUN write performance

C.The core technology of file system snapshot implementation is ROW

D.After the file system snapshot is created successfully, if the file system user wants to access the snapshot, he must The snapshot directory must be remounted to be accessible

A.#600km

B.#900km

C.#1000km

D.#100km

A.Reserve spare parts on site for timely replacement in case of failure

B.Develop a reliable backup plan

C.Use the resources and software provided by the original manufacturer