When the DC RAinBow tool Linux system is migrated, the recommended migration methods include?

In the Hi-Care standard service package provided by Huawei, the spare parts response SLA is.

The product warranty policy stipulates that the starting time of the equipment warranty period is calculated as follows: from the date of shipment ninety (90) days or the date of the buyer's first application for repair services, and the minimum repair starts.

Huawei Data Center L1 Integration Service quotation includes (multiple choice)

For customers, the total integration mode only needs to manage one integrator, and the management difficulty and professional requirements are reduced.