Which of the following are Huawei's intra-city disaster recovery solutions? (Multiple choices)

OceanStor9000 supports clients of different protocols to access the same directory or file at the same time. For example, Windows client (CIFS protocol), Linux client (NFS protocol), Mac OS X client (CIFS protocol or NFS protocol).

Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which greatly facilitates operation and maintenance management. Which of the following reflect this feature? (Multiple choice)

In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, the average write bandwidth needs 200KB/s, the average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. So how much bandwidth does the application need to deploy synchronous remote replication?

Before deploying a disaster recovery solution, what information needs to be collected? (Multiple choices)