The initial data capacity of an application is 500GB, and the backup frequency is full backup once a week, and six additional backups. The data storage period for both full backup and additional backup is 4 weeks, and the redundancy ratio is 20%. Then the back-end storage capacity for 4 weeks is?

Which protocol provides the fastest transfer speed?

An enterprise plans to purchase a set of storage equipment. According to the IOPS requirements of the enterprise business, a single hard disk of storage needs to support 3000 IOPS. Considering the cost factor, it is recommended to use which of the following hard disks best meets the requirements of the enterprise?

The object service uses Bucket Policy to control the access permissions of a single user or multiple users to the bucket or objects under the bucket, and which specific object operations can be controlled? (Multiple choice)

File-level deduplication is also called single-instance storage (SIS). It checks the attributes of the file to be stored according to the index and compares it with the stored file. If there is no identical file, it will store it and update the index, otherwise it will only be stored. Enter a pointer to an existing file.