You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.you are responsible for managing an exchange server 2010 edge transport server named -ex10.during the course of the week you receive an instruction from the cio to install a new edge transport server named -ex20 into the organization.You thus decide to copy the configuration s from -ex10 to -ex20.What should you do？（）

A. Your best option would be to back up the Active Directory Lightweight Directory Services （AD LDS） database.
B. Your best option would be to back up the system state.
C. Your best option would be to run the ExportEdgeConfig.PS1 script.
D. Your best option would be to run the New-EdgeSyncServiceConfig cmdlet.