Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS Server server role. A server named Server2 runs a custom application. You need to configure DNS to include the following parameters for the custom application:
¡¤Servic
¡¤Priorit
¡¤Weigh
¡¤Protoco
¡¤Port numbe
¡¤Host offering this servic
Which record should you create？（）

Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS server role. A server named Server2 runs Windows Server 2003 and Microsoft Exchange Server 2007. The company wants to deploy a new Exchange server named Server3 to receive all inbound e-mail traffic. You need to configure DNS to direct incoming e-mail traffic to the Exchange servers. You also need to ensure that higher priority is given to Server3. 
What should you do？（）