Slides used in Frank's basic networking class are stored under Frank's Basic Networking Slides.
Textbook slides are at Kurose PPT. It is quite comprehensive and detail. Excellent study material.
For the first couple weeks, we will focus on fundamental networking concept and ideas. What is that? Here is a list of essentials (I think).
addressing
protocol layering
tools, tools, tools....
I believe the best way to learn networking is by "experiencing" it. That's the reason you need to download / practice wireshark as soon as possible. Many networking utility programs on PC/Mac/Unix are also great tools to help you understand the in-n-out of networking. Check out networking labs page.