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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