Its all about the tools, ain't it.
Well, here are plenty of tiny tools to help you...
Not all of 'em are free or the best for the purpose... but they are darn useful and crafty. You'll be surprised to see how these small utlities (13kbs or some) have the same functionality as their multi-MB counterparts.
If you are a starter in this field, check out as many as these tools to understand your PC and the network. Enjoy!