1© 2004, Cisco Systems, Inc. All rights reserved.

Module 2 Networking Fundamentals

222© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idObjectives

333© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idData Networks

444© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idNetwork History

555© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idNetwork History continued

666© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idNetworking Devices

777© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idNetwork Topology

888© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idNetwork Protocols

999© 2004, Cisco Systems, Inc. All rights reserved.

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

101010© 2004, Cisco Systems, Inc. All rights reserved.

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

111111© 2004, Cisco Systems, Inc. All rights reserved.

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

121212© 2004, Cisco Systems, Inc. All rights reserved.

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

131313© 2004, Cisco Systems, Inc. All rights reserved.

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

141414© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idBenefits of VPNs

151515© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idIntranet and Extranet VPN

161616© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idImportance of Bandwidth

171717© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idBandwidth Pipe Analogy

181818© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idBandwidth Highway Analogy

191919© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idBandwidth Measurements

202020© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idBandwidth Limitations

212121© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idBandwidth Throughput

222222© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idDigital Transfer Calculation

232323© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idDigital versus Analog

242424© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idUsing Layers to Analyze Problems

252525© 2004, Cisco Systems, Inc. All rights reserved.

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

262626© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idOSI Model

272727© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idOSI Layers

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.

292929© 2004, Cisco Systems, Inc. All rights reserved.

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

363636© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idEncapsulation

373737© 2004, Cisco Systems, Inc. All rights reserved.

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

383838© 2004, Cisco Systems, Inc. All rights reserved.

www.pnj.ac.idSummary