单项选择题 Cer-tech .com has a server that hosts an Active Directory domain. A server at Cer-tech .com named Server02 has Terminal services role and Terminal Services web access role installed. It also has a servercalled Server0SA that runs ISA Server 2006. You are assigned the task to deploy Terminal ServicesGateway （TS Gateway） role on a new server called Server04 . Cer-tech .com. Cer-tech .com wants toemploy ISA as the SSL endpoint for Terminal Server connections. After doing the necessary configurations， you succeed in deploying TS Gateway role on Server04 . Cer-tech .com. Now you have toconfigure the ISA for TS connections. To do this you need to configure the TS gateway on Server04 to useISA 2006 on Server02 . What should you do to achieve this objective？（）

单项选择题 You have a server that runs Windows Server 2008. The server has the Windows Server virtualization roleservice installed and has one virtual machine. The virtual machine runs Windows Server 2008. You plan to install a new application on the virtual machine. You need to ensure that you can restorethe virtual machine to its original state in the event the application installation fails. What should you do？（）

单项选择题 You work as the IT professional in an international company which is named Wiikigo. You are experiencedin implementing and administering a network operating system. You are specialized in deploying servers，configuring Windows Server 2008 Terminal services and network application services， and configuring aweb services infrastructure. You have a server named S01 that runs Windows Server 2008. The server hasthe Web Server （IIS） server role installed. You have an SMTP gateway that connects to the Internet. Theinternal firewall prevents all computers， except the SMTP gateway， from establishing connections overTCP port 25. You have the SMTP gateway configured to relay e-mail for S01. You have to configure aWeb site on S01 to send e-mail to Internet users. What action should you perform？（）