how to test the speed of a lan network connection wan internet connection and monitor internet data usage

In this tutorial you will learn how to test the internet speed of your internet connection on your desktop or laptop, mobile phone (android or ios) as well as on your tablet or ipad. Sometimes internet service providers over promise when they advertise their services and the information outlined in this tutorial will also help you to verify if you are true getting what you are actually paying for. You will also learn how to test the connection speed between two devices in the same network as well as how to test the connectivity/ reachability between devices in the same network using the PING command, TELNET and TRACEROUTE.