You administer a Windows HPC Server 2008 cluster that has four compute nodes isolated on private and application networks. Each compute node has two single-core processors. The CCP_MPI_NETMASK environment variable is set to the application network with a value of 157.59.0.0/255.255.255.0. The private network is set to 10.0.0.0/255.255.255.0. You have a Microsoft Message Passing Interface (MPI) executable file named myapp.exe. The MPI job must use the private network instead of the default application network. You need to submit myapp.exe to the cluster by using the job command. Which command should you run on the head node?

A.
job submit /np:8 mpiexec -env CCP_MPI 10.0.0.0/255.255.0.0 myapp.exe

B.
job submit /numprocessors:8 mpiexec -env MPI_NETMASK 10.0.0.0/255.255.0.0 myapp.exe

C.
job submit /np:8 mpiexec Cenv HPC_NETMASK 10.0.0./255.255.0.0 myapp.exe

D.
job submit /numprocessors:8 mpiexec -env MPICH_NETMASK 10.0.0.0/255.255.0.0 myapp.exe