Basic Concepts
• Line Configuration• Topology• Transmission Mode• Categories of Networks• Internetworks
Figure 2-1
Figure 2-2
Point-to-Point Line Configuration
Figure 2-2-continued
Point-to-Point Line Configuration
Figure 2-2-continued
Point-to-Point Line Configuration
Figure 2-3
Multipoint Line Configuration
Figure 2-4
Figure 2-5
Mesh Topology
Figure 2-6
Star Topology
Figure 2-7
Tree Topology
Figure 2-8
Bus Topology
Figure 2-9
Ring Topology
Figure 2-10
Hybrid Topology
Figure 2-11
Figure 2-12
Simplex
Figure 2-13
Half-Duplex
Figure 2-14
Full-Duplex
Figure 2-15
Figure 2-16Local Area Network
Figure 2-16-continuedLocal Area Network
Figure 2-17Metropolitan Area Network
Figure 2-18 Wide Area Network
Figure 2-19Internetwork
(Internet)
OSI Model
• The model• Functions of the layers
Figure 3-1
OSI Model
Figure 3-2 OSI Layers
Figure 3-3 An Exchange Using the OSI Model
Figure 3-4
Physical Layer
Figure 3-5
Data Link Layer
Figure 3-6
Data Link Layer Example
Figure 3-7
Network Layer
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