A.Before purchasing a dedicated line for self-service, it is recommended that you consult with the operator about the access plan and pricing plan

B.The physical dedicated line supports partner purchase and self-service purchase

C.Self-service purchase method After purchasing the physical dedicated line, there is no need to contact the operator for construction, and access to equipment in the computer room

D.If you want to create a managed dedicated line, you can only choose the partner purchase method

A.Disk

B.Standby instance

C.Master instance

D.Read-only copy

A.Subnets

B.EIP

C.VPN

D.Security group

A.Access VPN

B.Extranet VPN

C.Lay2 and Lay3 tunneling VPN

D.Intranet VPN

A.Asynchronous

B.All of the above

C.Semi-synchronous

D.Synchronization