DRAG DROP
You have an Exchange server organization that contains Exchange Server 2010 servers and Exchange Server
2013 servers.
You have a Microsoft Lync Server 2010 environment that is integrated with Exchange Server 2010 to provide
Unified Messaging (UM) services. All UM dial plans are SIP secured.
You plan to move the UM services to Exchange Server 2013.
You need to ensure that the Exchange Server 2013 UM services can be integrated with Lync Server 2010.
Which three cmdlets should you run in sequence? To answer, move the appropriate cmdlets from the list of
cmdlets to the answer area and arrange them in the correct order.
Select and Place:
Answer: 
Explanation:
* Export the certificate from Exchange 2010.
* You can import and enable the certificate using the following command:
Import-ExchangeCertificate
* Create UM IP gateway.
The UM IP Gateway is responsible for traffic between the Lync Mediation Server and the UM server.
LYNC 2013 AND EXCHANGE 2013 UNIFIED MESSAGING
http://jaapwesselius.com/2013/02/03/lync-2013-and-exchange-2013-unified-messaging/