The document discusses basic networking concepts including line configurations, topologies, transmission modes, categories of networks, and internetworks. It provides figures illustrating point-to-point and multipoint line configurations as well as examples of mesh, star, tree, bus, ring, and hybrid network topologies.

1. Chapter 2
Basic Concepts
• Line Configuration
• Topology
• Transmission Mode
• Categories of Networks
• Internetworks
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2. Figure 2-1
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3. Figure 2-2
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Point-to-Point Line Configuration

4. Figure 2-2-continued
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Point-to-Point Line Configuration

5. Figure 2-2-continued
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Point-to-Point Line Configuration

6. Figure 2-3
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Multipoint Line Configuration

7. Figure 2-4
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8. Figure 2-5
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Mesh Topology

9. Figure 2-6
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Star Topology

10. Figure 2-7
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Tree Topology

11. Figure 2-8
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Bus Topology

12. Figure 2-9
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Ring Topology

13. Figure 2-10
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Hybrid Topology