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?（）

• A、Dfscmd
• B、Dfsdiag
• C、Dfsrdiag
• D、Dfsutil