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.