1.1 Hierarchical Network Design Overview (CCNA 4: Chapter 1: Hierarchical Network Design)
Chapter 1: Objectives
Describe how a hierarchical network model is used to design networks.
Explain the structured engineering principles for network design: Hierarchy, Modularity, Resiliency, Flexibility.
Describe the three layers of a hierarchical network and how they are used in network design.
Identify the benefits of a hierarchical design.
Describe the Cisco Enterprise Architecture Model.
Describe the three new business network architectures: borderless network architecture, collaboration network architecture, and the data center or virtualization network architecture.
Chapter 1: Overview
This chapter:
Introduces network design concepts, principles, models, and architectures
Describes the benefits obtained by using a systematic design approach
Discusses emerging technology trends that will affect network evolution