Introducing Network Design Concepts - Pearson

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Hierarchical Network Core Access Distribution Three Separate Broadcast Domains Figure 1-2 Hierarchical Network 2125_ch01.qxd 4/3/08 6:23 PM Page 4. Modular Design of Cisco Enterprise Architectures The Cisco Enterprise Architectures(see Figure 1-3) can be used to further divide the three-layer hier-

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