You are the desktop administrator for your company's sales department. The IT manager for the sales department needs to distribute a custom application to the Windows XP Professional computers in the sales department. He deploys the software by using Group Policy. Susan is a user in the sales department. She reports that the custom application is not available. You examine her computer, and you verify that the application is not present on her computer. You want to ensure that the software is deployed the next time Susan logs on.
Which command should you run?（） 

You are the desktop administrator for your company's sales department. The IT manager for the sales department creates a custom policy that will apply to a custom application that is loaded on the department's Windows XP Professional computers. He deploys this policy by using Group Policy. When you inspect the sales department's computers, you find out that the application has not been modified by the policy. You want to examine Windows XP Professional to find out whether the custom policy is affecting the correct location in the Registry.
Which command should you run?（）

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?（） 

You are the desktop administrator for your company. Laura is a user in the company's 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 Laura's computer. You want to accomplish these tasks as quickly as possible. You also want to ensure that none of Laura's other documents or personal settings are affected.
What should you do?（）