In the Huawei dual-active disaster recovery solution, which of the following are necessary components?
(multiple choice)

When planning and designing storage projects, which of the following are more basic stages ()

The Huawei Oceanstor 9000 InfoTier file pool policy will determine the storage location of files created and when files are re-striped.
Which one of the following statements about the file pool strategy is incorrect?

Synchronous remote replication can be used for disaster recovery in the same city. Single-select FC link is recommended. Asynchronous remote replication can be used for remote disaster recovery.
In order to reduce costs, it is recommended to use an IP link.

In the master-backup disaster recovery plan, the applications that can be protected by RD currently include:
(multiple choice)