Cisco CCNA module 2
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Transcript of Cisco CCNA module 2
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1© 2004, Cisco Systems, Inc. All rights reserved.
Module 2 Networking Fundamentals
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222© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idObjectives
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333© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idData Networks
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444© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idNetwork History
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555© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idNetwork History continued
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666© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idNetworking Devices
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777© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idNetwork Topology
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888© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idNetwork Protocols
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999© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idLocal-area Networks (LANs)
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101010© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idWide-area Networks (WANs)
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111111© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idMetropolitan-Area Network (MANs)
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121212© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idStorage-Area Networks (SANS)
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131313© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idVirtual Private Networks (VPNs)
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141414© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idBenefits of VPNs
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151515© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idIntranet and Extranet VPN
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161616© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idImportance of Bandwidth
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171717© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idBandwidth Pipe Analogy
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181818© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idBandwidth Highway Analogy
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191919© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idBandwidth Measurements
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202020© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idBandwidth Limitations
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212121© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idBandwidth Throughput
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222222© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idDigital Transfer Calculation
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232323© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idDigital versus Analog
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242424© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idUsing Layers to Analyze Problems
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252525© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idUsing Layers to Describe Data Communication
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262626© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idOSI Model
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272727© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idOSI Layers
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282828© 2004, Cisco Systems, Inc. All rights reserved.
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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292929© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idOSI Layers
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303030© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idOSI Layers
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313131© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idOSI Layers
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323232© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idOSI Layers
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333333© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idOSI Layers
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343434© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idPeer-to-Peer Communication
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353535© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idTCP/IP Model
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363636© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idEncapsulation
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373737© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idNames for Data at Each Layer
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383838© 2004, Cisco Systems, Inc. All rights reserved.
www.pnj.ac.idSummary