You are performing a new installation of Exchange Server 2007. You complete the installation of a Hub Transport server named ExchHub1 and an Edge Transport server named ExchEdge1. You need to configure the e-mail routing to meet the following requirements. Configure ExchHub1 to route Internet e-mail to ExchEdge1. Configure ExchEdge1 to route e-mail between your Exchange organization and the Internet. Which two sets of actions should you perform? (Each correct answer presents part of the solution.
Choose two.)

A.
On ExchHub1, create a new Send connector named Hub-Edge. Add the * domain as an address space and specify to use DNS to route e-mail automatically. Add ExchHub1 as a source server

B.
On ExchEdge1, open the Exchange Management Shell.Export a new Edge Subscription file

C.
On ExchEdge1, create a new Send connector named Edge-Internet. Add the * domain as an address space and specify to use DNS to route e-mail automatically. Add ExchEdge1 as a source server

D.
On ExchHub1, open the Exchange Management Console.Import the Edge Subscription file