What unit does Huawei Distributed Storage provide CIFS/NFS/FTP sharing?

Which of the following scenarios is not suitable for the promotion of active and standby disaster recovery solutions?

Which are possible causes for an enterprise to use virtual tape libraries as the backup media? (Multiple Choice)

If a Huawei Oceanstor 9000 cluster node adopts a back-end 10GE network, the network connection is completed. What are the following configurations for the 10GE switch? (Multiple choice)

Before deploying Huawei's active-active disaster recovery solution, information about the customer's network environment must be collected, including: (Multiple Choice)