A company plans to migrate the business data of data center A to the storage of data center B due to business development needs. Engineer M is responsible for the relevant migration work. The engineer first collects equipment and other information, then evaluates the business impact and risks, and formulates a detailed migration project plan for this, and submits it to the supervisor for review. The current migration work of engineer M is in the evaluation and investigation stage of data migration.

The client has sufficient resources to prepare the price, and the production network resources are relatively tight. It is planned that the amount of data to be fully prepared once a week is between 1-2T, the backup window is 3 hours, and the source deduplication is used, and the deduplication ratio is 3, the bandwidth utilization is 0.8. Which of the following networking can meet the backup service requirements with the least investment?

Compared with traditional RAID, what are the characteristics of RAID 2.0+ technology? (Multiple Choice)

Check the running performance of the storage system through DeviceManager, and you can learn the real-time and long-term status of the service performance of the storage system.

A specific file folder in Rachat Linux 7 system is wrong to read and write. After diagnosis, the file system needs to be repaired. Which of the following is the correct description of the repair operation?