Windows - Network Diagnostics Amset.info: "When you are on the internet or are working in an networked environment you may think you have problems with your network connection. However it would be helpful if you could diagnose whether there is a problem and what it is.
Fortunately there are some useful tools built in to all versions of Windows which can help you, you just need to know what they are and how to use them. This page explains them and gives you some example of the circumstances when it is a good idea to use them."
Excellent brain dump for those tech wonks stuck with troubleshooting network connections to India, China or Dumbfukistan! Congratulations Amset! Excellent reference.