1. How to bring the command line window. Start-> cmd (in the box) and then enter
2. IPCONFIG command
   1. Type the following command and hit the enter key

Ipconfig /? (display all commands)

1. 1. How many commands are there on the screen and write three mostly used you think? 13
2. Ipconfig /displaydns
   1. What do you see in the output?
   2. What is the main function of this command?
3. Ipconfig /flushdns
   1. What is the main function of this command?
4. Ipconfig /displaydns
   1. Is the output same as the step d? if not how they are different and why?

5. Open a browser and go to a few websites. Make sure write down the names of the websites
6. Ipconfig /displaydns
   1. Can you find any website you have visited?
   2. For one website, write down the information you see in the output