Module 01 has been about Organizing Information; Module 02 will be about Retrieving Information
To frame your thinking about the structures in which information may be found, read the following
Easley, David, and Jon Kleinberg. "Overview." In Networks, crowds, and markets: reasoning about a highly connected world, 1-20. New York: Cambridge University Press, 2010.
Then we want to focus on how information may travel over actual networks
read these sections of How Ethernet Works by Nick Pidgeon in How Stuff Works (they are short, so you can read more if you wish)
- Introduction to How Ethernet Works
- Why Network?
- Local Area vs. Wide Area
- The Ethernet
- Ethernet Basics
- Ethernet Terminology
- Ethernet Medium