Which of the following is wrong about the description of purchasing a physical leased line?

It is recommended that you consult with the operator about the access plan and pricing plan before purchasing a dedicated line for self-service.

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

Self-purchase method After purchasing a physical dedicated line, there is no need to contact the operator to construct access to equipment in the computer room.

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