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Understanding IEEE 802 Protocols

March 4, 2020 by Scott

Modes of Communication - 2

Until now we've talked a lot about the Ethernet Protocol, but we have not necessarily explored the media types which are defined by the ethernet standards. There are multiple modes of communication as well as media types relating to Ethernet that we will cover in this chapter. All of which are topics on the CCNA exam. Modes of Communication First let's discuss some … [Read more...]

Filed Under: Cisco Tagged With: Crossover Cable, Full Duplex, Halp-Duplex, Modes of Communication, Rollover Cable

Data Link Layer Devices

February 27, 2020 by Marques Brownlee

Data Link Layer Devices Objective: Describe the purpose and functions of various network devices At the Data Link layer, either a bridge or a Layer 2 switch can be installed to segment a LAN. Hubs and repeaters at the Physical layer only serve to extend a network. With segmentation, switches and bridges create a separate collision domain for each connected node, which … [Read more...]

Filed Under: CCNA Tagged With: Bridges, Data Link Layer Devices, Duplex, Full Duplex, Half-duplex, Microsegmentation, Switches

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