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Topic Content:
- Client-Server – Request Architecture
- Protocols
- Packets
- Routers
- Port Numbers and IP Addresses
- How are Packets Routed
- How Google Search Works
- How Sending and Receiving Emails (e.g. Gmail) Work
Client-Server – Request Architecture:
Data and information are transferred over the internet through servers and clients (which are computers) connected to the internet.

A server is a computer that supplies services or
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