You are the network administrator for. The network consists of a single Active Directory forest that contains two domains. You have not modified the default Active Directory site configurations. The functional level of both domains is Windows 2000 native. Servers run either Windows Server 2003 or Windows 2000 Server. TestKing's internal domain is named testking.local. Testking's external domain is named . The external domain is accessed only by TestKing's business partners. You install a Windows Server 2003 computer named Testking7 in the domain. You install and configure Terminal Services on Testking7. Testking7 is configured as a member server in the domain. You install a secure database application on Testking7 that will be accessed by TestKing's business partnersA few months later, users report that they can no longer establish Terminal Services session to Testking7. You verify that only the default ports for HTTP, HTTPS, and Terminal Services on your firewall are open to the Internet. You need to ensure that TestKing's business partners can establish Terminal Services sessions to Testking7. What are two possible ways to achieve this goal?（） (Each correct answer presents a complete solution. Choose two)

A. Install Terminal Services Licensing on a Windows 2000 Server computer in testking.local. Configure the computer as an Enterprise License Server.
B. Install Terminal Services Licensing on a Windows 2000 Server computer in extranet.testking.com. Configure the computer as an Enterprise License Server
C. Install Terminal Services Licensing on a Windows Server 2003 computer in extranet.testking.com. Configure the computer as an Enterprise License Server.
D. Install Terminal Services Licensing on a Windows Server 2003 computer in testking.local. Configure the computer as an Enterprise License Server.
E. Instruct TestKing's business partners to connect by using the Terminal Services Advanced Client (TSAC) over HTTP