You are a system administrator for your company. Your company deploys a Windows HPC Server 2008 cluster that has a head node installed on a failover cluster. The failover cluster has two servers named Server1 and Server2. You configure the head node on Server1. You discover that in the HPC Management Console, the state of Server2 is set to Unknown. You need to configure the head node on Server2. What should you do?

A.
Disable User Account Control on Server2.

B.
Initiate a failover of the HPC cluster group.

C.
Run the HPC Pack 2008 setup on Server2.

D.
Run the Set-HpcNodeState cmdlet on Server2.