单项选择题 You are attending a meeting on Microsoft Windows Meeting Space. At the same time, you attempt to join a second meeting also hosted on Windows Meeting space. The dialog box that allows you to join the second meeting fails to open. You need to join the second meeting. What should you do?（）

单项选择题 Your computer runs Microsoft Windows Vista Home Basic edition. You need to record television programs by using Microsoft Windows Media Center. You add a compatible TV tuner. What should you do next?（）

单项选择题 You administer your companys network. All client computers run Microsoft Windows Vista. A standard user reports that they are unable to install an application. You need to install the applicatin. What should you do?（）