The OSI Model Demystified



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Info

Level: Beginner
Date Created: July 9, 2010
Length of Class: 18 Minutes
Tracks

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
Resources

Wikipedia

source