A customer wants to TFTP a new image from the corporate network to Flash on the Teleworker router through the IPSec tunnel. How should you configure the Teleworker router?（）

A. No additional steps are required.
B. Add the appropriate source-interface command.
C. The router cannot access a server in the Enterprise Campus network.
D. The Teleworker Router does not have any client applications; therefore this type of request is not possible.