Before designing a backup solution, you must conduct surveys.
Which aspects should be considered in a survey? (Multiple Choice)

Send a control command through the backup server, first take a snapshot (or other similar operations) of the data volume that needs to be backed up to form a copy, then use the backup server to mount the snapshot volume, and use the backup server to back up the data on this volume to On the backup device.
What type of backup networking is described in the above workflow?

What key technologies are delivered by the OceanStor 9000 to improve the performance of object storage service? (Multiple Choice)

Before restriping, Huawei OceanStor 9000 determines whether the used space of the node pool in the target tier reaches the read-only watermark. Restriping is implemented only when the used space is lower than read-only watermark.

Which of the following statements about the iSCSI protocol are correct? (Multiple Choice)