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-CauClusterRolecmdlet

B.
The Wuauclt command

C.
The Wusa command

D.
The Invoke-CauScancmdlet

Explanation:
The Invoke-CauScancmdlet performs a scan of cluster nodes for applicable updates and returns a list of the
initial set of updates that would be applied to each node in a specified cluster.