Eléments d’interconnexion

Networking L2

Dim 22 Fev 2015

Sr. Amir DJENNA, Cisco #93930

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What Is a Network?

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Understanding Host2Host Com All People Study and Teaching Networking from Djenna Package

Application Layer

Presentation Layer

Session Layer

Transport Layer

Network Layer

Data Link Layer

Physical Layer

Application Layer

Presentation Layer

Session Layer

Transport Layer

Network Layer

Data Link Layer

Physical Layer

OSI Model OSI Model

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Hub

Switche

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Switches

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Cisco Icons and Symbols

Workgroup Switch

Router

Access Point

Wireless Router

Wireless

Connectivity

Line: Serial Line: Ethernet

Firewall

IP Phone

Secure Router

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Common Physical Components of a Network

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Routeurs

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Serveurs

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Armoires info

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NGN

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NGN Next

Generation Network

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