For my purposes, it worked flawlessly. I used this:

      ip = params[:ex_name]
      storage = []
      storage << system("ping #{ip}")
      if storage == [true]
         blah blah
      end

I don't need to determine right away if it is an exchange server or not. 
I have also tried Gordon's response, which works. I basically just need 
to check whether it's there or not.

Thanks,
 - Jeff
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