Which of the following statements about the All-In-One Backup Solution are correct? (Multiple Choice)

A storage cluster has five P36 nodes, using the front and back 10GE networking mode. The front-end business network provides two 10GE interfaces.
When deploying distributed file system services and object storage services in a mixed deployment, the number of IP addresses that need to be planned for the front-end business network is:

In Huawei distributed storage, SCSI volumes with multiple mount points are called shared volumes, and iSCSI volumes are shared volumes. In order to support the backup capability of shared volumes, the block service also supports snapshots of shared volumes, and the snapshot process of shared volumes is the same as that of ordinary volumes.

Which of the following statements about Huawei hybrid flash storage SmartQos I/O priority scheduling is correct? (Multiple choice)

The minimum number of nodes required for an OceanStor9000 cluster deployment is?