You administer a Windows HPC Server 2008 cluster. You need to monitor the usage of CPU of the compute nodes. What should you do?

A.
Run the following command on the head node: clusrun xperf Cproviders K

B.
Run the following PowerShell command on the head node: (get-wmi win32_processor).loadpercentage

C.
Examine the heat map in the Node Management view of the HPC Cluster Manager tool.

D.
Examine the output of the MPI ping-pong tool in the Diagnostic view of the HPC Cluster Manager tool.