The most important idea concerning the Cisco Hierarchical Network model is the construction of the network step by step, implementing one module at a time, starting with the foundation. The implementation of each module can be supervised by the network architect, but the details are covered by specialized teams (e.g., routing, security, voice, etc.). This modular approach is the key to making implementation simple. The main advantages of the Cisco Hierarchical Network model are as follows:
- Easy to understand and implement
- Cost savings
- Easily modified
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