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PRESENTACION FINAL Nicaragua
The document provides an overview of networking concepts including the OSI model, WAN technologies, convergence, wireless networking, and authentication methods. It discusses each of the 7 layers of the OSI model and examples of protocols used. For WAN, it describes technologies like leased lines, MPLS, and frame relay. Convergence refers to carrying voice, video, and data over IP networks, and it discusses quality of service, VoIP protocols, call managers, and IP phones. The wireless section covers topics such as infrastructure vs ad-hoc modes, operating frequencies and modulation techniques, and different authentication approaches.
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Editor's Notes
- #6 Provides reliable transit of data across physical link2 sub-layersMAC (media access control): physical addressing MAC addressExample: 00-15-58-27-81-9LLC (logical link control) : flow controlData link protocol defines a linkExamples:HDLC, PPP, EthernetProvides reliable transit of data across physical link2 sub-layersMAC (media access control): physical addressing MAC addressExample: 00-15-58-27-81-9LLC (logical link control) : flow controlData link protocol defines a linkExamples:HDLC, PPP, EthernetProvides end-to-end delivery of packetsDefines logical addressingDefines how routing worksMapping between physical address (MAC address) and logical address (Network address) : ARPExamples:IP ; 144.254.0.1/24Explained further in Routing session