1. Chapter 2 OSI Model and TCP/IP
The OSI Model
Layers in the OSI Model
TCP/IP Protocol Suite
Addressing
TCP/IP Versions
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Figure 2-1
The OSI model
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Figure 2-2
OSI layers
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Figure 2-3
An exchange using the OSI model
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Figure 2-4
Physical layer
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Figure 2-5
Data link layer
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Figure 2-6
Network layer
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Figure 2-7
Transport layer
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Figure 2-8
Session layer
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