You administer a Windows HPC Server 2008 cluster for your company. The cluster uses a network topology that has compute nodes isolated on a private network. Network address translation (NAT) services are disabled on the head node. Your company deploys a new service-oriented architecture (SOA) application. You need to configure the cluster to support the SOA application. What should you do?

A.
Enable NAT services on the head node.

B.
Add a Windows Communication Foundation (WCF) broker node role to the head node.

C.
Modify the cluster network topology to connect all nodes to the enterprise and private networks.

D.
Modify the cluster network topology to connect the compute nodes to the enterprise and application networks.