Which of the following descriptions about the running status and host access status of HyperMetro pairs are correct? (Multiple Choice)

A data analysis company plans to migrate data analysis services to HUAWEI CLOUD. Compared with the self-built analysis platform, what are the advantages of the company's migration to HUAWEI CLOUD? (Multiple Choice)

A customer uses block storage service and puts forward the following requirements for backup networking.
1. The backup data stream does not occupy LUN resources;
2. Backup services do not affect user network performance;
3. Small impact on host business
4, the backup performance is good.
Regardless of cost, which of the following backup networking architectures can meet customer requirements?

Which descriptions are correct about the file system remote replication of Huawei OceanStor hybrid flash storage? (Multiple Choice)

An archive will expand its data center storage system. In the process of capacity planning by engineers, in addition to data capacity, file system, RATD level, hot spare space, coffer disk, value-added features, etc., it is also necessary to consider capacity variances between hard drive manufacturers and operating systems.