Please enable JavaScript to use CodeHS

IB CS Core SL: 3.1.3

CodeHS Lessons

Network fundamentals: Describe how communication over networks is broken down into different layers.

16.1 Advanced Networking
7.12 Advanced Networking
13.1 Welcome to the Internet
13.3 Internet Addresses
13.5 DNS and Routing
13.6 Routing
11.1 Welcome to the Internet
11.3 Internet Addresses
11.5 DNS and Routing
11.6 Routing
5.1 Welcome to the Internet
5.2 DNS and Routing
5.1 Welcome to the Internet
5.2 DNS and Routing
8.3 Welcome to the Internet
8.5 Internet Addresses
8.7 DNS and Routing
8.8 Routing
11.1 Welcome to the Internet
11.3 Internet Addresses
11.5 DNS and Routing
11.6 Routing