Cisco CCNA module 2
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Transcript of Cisco CCNA module 2
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