Snapshot refers to a consistent data copy of source data at a certain point in time. After the snapshot is generated, it can be read by the host or used as a data backup at a certain point in time.

According to the changes in the amount of backup data, the types of backups can be divided into ______. (Multiple choice)

Which of the following descriptions about the technical characteristics of pre-copy are correct? (Multiple Choice)

Which of the following are the maintenance items of the data center storage administrator? (Multiple choice)

From the perspective of the cloud computing business model, Huawei's network disk belongs to PaaS.