Your network contains an Active Directory domain named contoso.com. All servers run Windows Server 2012 R2. The network contains a System Center 2012 R2 Data Protection Manager (DPM) deployment.
The domain contains six servers. The servers are configured as shown in the following table.
You install System Center 2012 R2 Virtual Machine Manager (VMM) on the nodes in Cluster2.
You configure VMM to use a database in Cluster1. Server5 is the first node in the cluster.
You need to back up the VMM encryption key.
What should you back up?
A. a system state backup of Server2
B. a full system backup of Server6
C. a system state backup of Server5
D. a full system backup of Server3
