Which of the following is wrong in the description of the file system snapshot feature of Huawei OceanStor hybrid flash storage?

Taking Huawei OceanStors all-flash storage devices as an example, which of the following descriptions about logical ports are correct? (Multiple Choice)

Establish a remote disaster recovery center, the distance is 1000KM, the business data increment is 2G per day, the synchronization is up to 8 hours, the bandwidth utilization rate is
70%, and what is the minimum bandwidth that meets the demand?

A company's business runs on a set of Huawei all-flash storage devices. During the inspection process, the operation and maintenance engineer found that the average delay on the host side was 1000 ms, and the average delay on the storage side was 800 ms. Operation and maintenance engineers should collect storage operation information and logs, and open performance monitoring tools to analyze front-end host ports, cache performance, LUN performance and hard disk performance.

Due to the rapid business development of a company, the current storage A can no longer meet the needs. The company decides to purchase a set of Huawei all-flash storage B to replace the existing storage A equipment. It is required that services are not interrupted during data migration from storage A to storage B. When configuring an eDevLUN for service takeover, the LUN masquerading option should not be masqueraded.