cisco ccna module 2

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Module 2 Networking Fundamentals

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www.pnj.ac.idObjectives

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www.pnj.ac.idData Networks

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www.pnj.ac.idNetwork History

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www.pnj.ac.idNetwork History continued

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www.pnj.ac.idNetworking Devices

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www.pnj.ac.idNetwork Topology

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www.pnj.ac.idNetwork Protocols

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www.pnj.ac.idLocal-area Networks (LANs)

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www.pnj.ac.idWide-area Networks (WANs)

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www.pnj.ac.idMetropolitan-Area Network (MANs)

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www.pnj.ac.idStorage-Area Networks (SANS)

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www.pnj.ac.idVirtual Private Networks (VPNs)

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www.pnj.ac.idBenefits of VPNs

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www.pnj.ac.idIntranet and Extranet VPN

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www.pnj.ac.idImportance of Bandwidth

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www.pnj.ac.idBandwidth Pipe Analogy

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www.pnj.ac.idBandwidth Highway Analogy

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www.pnj.ac.idBandwidth Measurements

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www.pnj.ac.idBandwidth Limitations

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www.pnj.ac.idBandwidth Throughput

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www.pnj.ac.idDigital Transfer Calculation

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www.pnj.ac.idDigital versus Analog

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www.pnj.ac.idUsing Layers to Analyze Problems

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www.pnj.ac.idUsing Layers to Describe Data Communication

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www.pnj.ac.idOSI Model

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www.pnj.ac.idOSI Layers

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www.pnj.ac.idOSI Layers

•Provides connectivity and path selection between two host

•Provides Logical address

•No error correction, best effort delivery.

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www.pnj.ac.idOSI Layers

303030© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idOSI Layers

313131© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idOSI Layers

323232© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idOSI Layers

333333© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idOSI Layers

343434© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idPeer-to-Peer Communication

353535© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idTCP/IP Model

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www.pnj.ac.idEncapsulation

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www.pnj.ac.idNames for Data at Each Layer

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www.pnj.ac.idSummary