单项选择题 You are a Windows Server 2008 systems administrator responsible for providing access to a large volumeof video files to registered users of your organization？？s public Web site. All the video files are located within the D：\Public\Videos folder. Content producers often create and modify these videos. Recently， usershave complained that they are experiencing poor performance when accessing videos during busy times.During these images， the Windows Media Services server that hosts the content is experiencing high CPUand network bandwidth use. You want to minimize the administrative time and effort required to increaseperformance. Which of the following actions should you take to resolve the problem？（）

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. There is a server which runs Windows Server 2008. You install the Web Server （IIS） server role on this server. You create a Web site named wiikigo.com. You copy an applicationnamed WebContent to the server. You need to enable the WebContent application on the Web site. What action should you perform？（）

单项选择题 You are a systems administrator troubleshooting a problem with accessing a Web server running WindowsServer 2008. Previously， another administrator created and installed a server certificate on the computer.Users report that they are able to connect to the site using HTTP but that they receive a warning in InternetExplorer when trying to connect by HTTPS. You want to enable users to connect using both HTTP andHTTPS. You attempt to access the site by using an instance of Internet Explorer on the server itself， andyou receive the same warning message for HTTPS connections. How can you resolve this issue？（）