Here are the instructions I prepared. I am doing this on Friday so these aren't tested yet.
There are many parts of the internet that rely on other protocols. Their ability to use these protocols rather then having to reimplement everything themselves is an example of abstraction.
The Video provides a simplified view of the internet into 3 abstraction layers. In this exercise you will take the concepts we have learned about in Unit 2 and move them into one of three layers.
Trello - Open this Trello Board.
Sign in to Trello using google
Make a copy of the board (click "more" on the right hand side) setting the permissions ot Public
On your copy sort the items into the layers.
Turn in a url to your board.