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Embed code for: 03.5 LAN Components
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03.5 LAN Components
9/11/2016 Cisco ELearning for ICND1 v2.0 https://ondemandelearning.cisco.com/ciscosc/icnd1#/sections/3/pages/5 1/2 – – LAN Components Section 3: Introducing LANs On the first LANs, devices with Ethernet connectivity were mostly limited to PCs, file servers, print servers, hubs, and bridges. A typical small office will include a router for Internet connectivity, wireless capabilities, network printers, file servers, PCs, and laptops. Regardless of the size of the LAN, it requires these fundamental components for its operation: Stations: Stations include any device that can send or receive data on the LAN. Interconnections: Interconnections allow data to travel from one point to another in the network. Interconnections include these components: NICs: NICs translate the data that is produced by the computer into a format that can be transmitted over the LAN. NICs connect a station to the LAN over copper cable, fiberoptic cable, or wireless communication. Network media: In traditional LANs, data was transmitted mostly over copper and fiberoptic cables. Modern LANs (even small home LANs) generally include wireless connectivity. 9/11/2016 Cisco ELearning for ICND1 v2.0 https://ondemandelearning.cisco.com/ciscosc/icnd1#/sections/3/pages/5 2/2 – – – – – – – Protocols: Protocols are rules that govern how data is transmitted over a LAN. Here are some commonly used LAN protocols: Ethernet protocols (IEEE 802.2 and IEEE 802.3) IP TCP UDP ARP and RARP CIFS DHCP Up Next: Challenge