ou manage a server that runs windows server 2008. The windows backup and restore utility is installed on the server. You need to create a full backup of all system state data to the DVD drive (R: drive) on the server.
Which command should you run on the server?（）

Your network contains a domain-based Distributed File System (DFS) namespace named \\contoso.com\DFS1. You have two servers named Server1 and Server2 that are configured as namespace servers for \\contoso.com\DFS1. You need to verify that the DFS namespace replicates successfully between Server1 and Server2.
Which tool should you use?（）