You have a failover cluster named Cluster1 that contains four nodes. All of the nodes run Windows Server 2012 R2. You need to force every node in Cluster1 to contact immediately the Windows Server Update Services (WSUS) server on your network for updates. Which tool should you use?
A. The Add-CauClusterRole cmdlet
B. The Wuauclt command
C. The Wusa command
D. The Invoke-CauScan cmdlet