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Services in a Converged

WAN

Accessing the WAN

Chapter 1

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Explain the purpose and function of WANs

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Describe the stages of business growth, thecorresponding business requirements for services andhow those requirements are reflected in theEnterprises changing network topology

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The Hierarchical Network Model

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Access Layer

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Distribution layer

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Core Layer

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Describe How ECNM Provides IntegratedServices over an Enterprise Network

Describe the problems with the Hierarchical DesignModel that Cisco's Enterprise Composite Model hasbeen designed to address

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Describe How ECNM Provides IntegratedServices over an Enterprise Network

Explain the purpose of Cisco Enterprise Architectures

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Describe the Key WAN TechnologyConcepts

Describe WAN functions in terms of the OSI ReferenceModel

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Describe the Key WAN TechnologyConcepts

Describe the key WAN physical layer concepts fornetwork and Internet communications

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WAN Devices

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Describe the Key WAN TechnologyConcepts

Describe the key WAN data link layer protocols used intodays Enterprise WAN networks

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Describe the Key WAN TechnologyConcepts

Describe the switching technologies used for WANs inan Enterprise setting

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Select the Appropriate WAN Technology to meetECNM Requirements

List the various options for connecting subscribers tothe WAN

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Leased lines

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Select the Appropriate WAN Technology to meetECNM Requirements

Describe the circuit switching options available toprovide a WAN connection

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Select the Appropriate WAN Technology to meetECNM Requirements

List factors to consider when selecting a WANconnection

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