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UNB/Year 4/Semester 2/CS3873/2024-01-24.md
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@@ -42,4 +42,20 @@ Also called TCP/IP model
- WiFi - WiFi
## Physical ## Physical
- Moving individual bits from one node to the next - Moving individual bits from one node to the next
-
Terms:
- Router (Operates on network layer)
- Switch (Operates on link layer)
- Modem (Modulation, converting mediums and modes)
- Access Point (WiFi access)
## Protocols
Define how peers communicate and exchange information over the network including rules, procedures, and message formats
Application layer protocols:
- Web server to web client (HTTP)
(More examples for each layer in slides)
### Encapsulation
Messages get passed down between each layer, and information gets appended to the header that gets delivered as the payload