Introducing Network Design Concepts - Pearson

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CHAPTER 1Introducing Network Design ConceptsObjectivesUpon completion of this chapter, you should be able to answer the following questions: What are the benefits of a hierarchal networkdesign? What is the Design methodology used by Network designers? What are the Design considerations for the core,distribution, and access layers? What are the Design considerations for the Network enterprise edge? What are the Design considerations that must bemet to support remote workers? What are the Design considerations for supportingenterprise wireless and/or data center/server farms?Key TermsThis chapter uses the following key terms. You can find the definitions in the Enterprise Architecturespage 5deterministic Network page 5top-down approachpage 7content networkingpage 8storage networkingpage 8network backbonepage 9virtual private networks (VPN)page 9extranetpage 9multilayer switchespage 11load balancingpage 11Enhanced Interior Gateway Routing Protocol(EIGRP)page 11Open Shortest Path First (OSPF) Protocolpage 11Spanning Tree Protocol (STP)page 11full-meshpage 11partia

connectivity. They designate where different functions occur in the network. This modularity enables flexibility in network design. It facilitates implementation and troubleshooting. Three areas of focus in modular network design are as follows: Enterprise campus: This area contains the network elements required for independent operation

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