In Order to Support Business Expansion, a Large Enterprise Has

In order to support business expansion, a large enterprise has decided to purchase two Huawei OceanStor 9000 storage systems to replace the existing NAS systems. The two systems were deployed in two cities. The main operating system of the business operation time is 8: 00-18: 00. Which of the following description of disaster recovery on disaster recovery applications planning is correct? (Multiple choice.)

A) Info replication as an optional feature of Huawei OceanStor 9000de, the production sites and disaster recovery sites need only the production site to purchase info replicator feature of the license
B) Plan a separate directory for each type of service using the Huawei OceanStor 9000 system at the D and Y sites in the system's root directory as a remote copy of the master directory, and shared to the corresponding business server i
C) Because the client's business traffic is mainly concentrated in the daytime working hours, you can not set the replication zone bandwidth limit, the synchronization task on the non-workers make time, take full advantage of node bandwidth
D) For each type of business to create a pair for the type of business data replication synchronization