While attempting to load a base operating system to a machine， an administrator is receiving bootp timeout error messages. What steps should be followed to troubleshoot communications between the NIM master and the client machine？（）
- AView debug logs on NIM master for errors or failures.
- BBoot the client machine to SMS， and view the POST Error log.
- CBoot the client machine to SMS， setup remote IPL， and execute a ping test.
- DBoot the client machine to diagnostics， and ping the client from the NIM master.