单项选择题 You are the desktop administrator for Contoso, Ltd. A graphic designer named Peter saves all his files in the My Documents folder on his Window XP Professional computer. Peter now needs to work on several computers each day to complete his work. Peter needs to be able to access his files at any time. You implement a roaming user profile and a home directory for Peter. However, Peter reports that when he uses his roaming profile, it takes 10 minutes for him to log on to computers other than his own. You need to reduce the amount of time it takes for Peter to log on to computers when using his roaming profile. What should you do?（）

单项选择题 You are the desktop administrator for your company. Laura is a user in the companys accounting department. Laura uses a Windows XP Professional computer. Laura installs a new software application that was listed on her Add or Remove Programs list. Laura reports that the new application now opens whenever she double-clicks any file that has a .doc file name extension. She also reports that 24 new icons appear on the New menu when she right-clicks her desktop. Laura asks you to reconfigure her computer so that Microsoft Word opens when she double-clicks files that have a .doc file name extension. She also wants you to remove the new icons from the New menu. You instruct Laura to uninstall the new application. After she uninstalls the application, she reports that she can no longer open .doc files by double-clicking them. She also reports that the unwanted icons on the New menu are still present. You reinstall the new application, and it continues to open when Laura double-clicks .doc files. You want to restore the .doc file association and to remove the unwanted icons from the New menu on Lauras computer. You want to accomplish these tasks as quickly as possible. You also want to ensure that none of Lauras other documents or personal settings are affected. What should you do?（）

单项选择题 You are the desktop administrator for your company. Tom is a user in the companys accounting department. Tom uses a Windows XP Professional portable computer. Tom reports that when the computer is undocked, it randomly displays the following error message: "JZXDRV.DLL failed to load." You discover that the JZXDRV.dll file is used by the device driver for an external storage device that is connected to Toms docking station. Tom reports that the error message does not appear when the computer is docked. You need to ensure that the error does not occur on Toms computer. You also need to ensure that the storage device continues to function correctly when Toms computer is docked. What should you do?（）