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grieger | Cisco CCNA | Module 1 - Introduction

By: grieger | Related Course: Cisco CCNA | Published: April 2, 2018 | Modified: April 2, 2018
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OSI=Open Systems Interconnect

OSI is made up of 7 layers

1) Physical (field)

2)Data (headend)

3)Network (headend)

4)Transport (headend)

5)Session (programmers)

6) Presentation (programmers)

7)Application (some headend)

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