Which level of data replication is the asynchronous remote replication of the HyperReplication file system based on?

Huawei pacific products can be used for content storage, backup and archiving scenarios. The obvious features of this scenario are real-time online business throughput ( ), frequent access to hot data, and data that needs to be stored for a long time. Online access needs are referenced.

The enterprise's storage engineers are designing an enterprise data backup solution that requires full backups every Sunday, incremental backups every day from Monday to Saturday, and a 4-week data storage period for full backups and incremental backups. Assume the initial data volume is 400 GB in daily increments of 20 GB. Well, 5480 GB is the amount of backend storage data after four weeks.

Common backup types are full backup, ( ) and differential incremental backup.

A company purchases 2 sets of Huawei all-flash storage devices for deploying database services, which are respectively deployed in data center A and data center B in city M. And complete the active-active disaster recovery configuration.
Which of the following failures will cause business interruption?