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hackyshank | Cisco CCNA | Module 1 - Introduction

By: hackyshank | Related Course: Cisco CCNA | Published: June 14, 2016 | Modified: June 14, 2016
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Notepadosi layers

rules that apply globally dictating how networks should be built  facilitate  interoperability between networks

OSI layer -open systems interconnect 

1.physical layer 

2. data  layer 

3.network layer 

4.transport layer 

5.session layer

6. presentation layer  

7.application layer 

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