Your company has a main office and a branch office. The network contains two servers named Server1 and Server2 that run Windows Server 2008 R2. Server1 is located in the main office. Server2 is located in the branch office. You have a domain-based namespace named \\contoso.com\DFS1. Server1 is configured as the namespace server for \\contoso.com\DFS1. \\contoso.com\DFS1 has a folder named Folder1. The folder targets for Folder1 are \\Server1\Folder1 and \\Server2\Folder1. Users in the main office report that they view different content in Folder1 than users in the branch office. You need to ensure that the content in Folder1 is identical for all of the users.
What should you do?（）

Your network contains a domain-based namespace named DFS1. DFS1 has Windows 2008 Server mode enabled. You need to ensure that only files and folders in DFS1 that users have permissions to access are displayed.
What should you do?（）