1. Understanding the levels of the internet
HTTP & Abstraction
Understanding the levels of the internet

2. The Internet works in layers
Remember: TLD? (Top Level Domain) - .edu .com .org
Each layer performs some task and ‘feeds’ into the next layer.
Each layer is dependent upon the previous layer
Each layer is its protocol

3. How your smartphone accesses the internet?

4. HTTP Hyper Text Transfer Protocol An ASCII text bases protocol
Where have you heard / read / seen this term before?
At this level, computers are just sending text messages to each other.

5. Video – HTTP and HTML
Video

6. HTTP traffic investigation
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