01#The OSI Model Demystified
خاص بفريق Code For IRAQ/Network-C41
Networking
Prerequisites
Introduction to Networking
Purpose of Class
This class explains the OSI Model for technicians
Topics Covered
The OSI Model
Class Notes
Layer 7 — Application Layer — The layer users interact with
Layer 6 — Presentation Layer — Generally the layer the Operating System is on
Layer 5 — Session Layer — The layer that controls the communication session between two computers
Layer 4 — Transport Layer — The layer that controls Windowing and other tasks related to communication
Layer 3 — Network Layer — The layer that Routers and IP addresses operate at
Layer 2 — Data Link Layer — The layer that Switches, MAC Addresses and ARP reside at
Layer 1 — Physical Layer — The layer that cabling resides on
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