Use techniques such as web scraping to retrieve data from the Internet using both Python built-in functions as well as third-party libraries. You can use Python's default editor IDLE (Integrated Development and Learning Environment) or a Python editor of your choice to complete this assessment. 

1. Write a program to test if a given page is found or not on the server.
2. Write a Python program to download and display the content of robots.txt for capella.edu
3. Install the third-party library Beautiful Soup and review the Beautiful Soup Documentation.
4. Use Beautiful Soup to write a Python program that will extract all of the HTML links from http://www.capella.edu
5. Test your code and document testing by taking screenshots.
6. Explain the approach taken to complete this assessment and the major decisions made.