Which of the following is incorrect about the description of the cloud server disaster recovery...

After the cloud service data center is built, customers can apply for cloud server disaster recovery services to ensure the business continuity of the cloud server. The whole process does not require administrators to operate in the background

Storage layer replication disaster recovery technology used by server disaster recovery service

In order to provide cloud server disaster recovery services, the back-end storage needs to enable the remote replication function

In order to provide cloud server disaster recovery services, the storage used by the protected cloud server can beAdvancedSAN