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Networking Model

Layers of the Networking Models

LayerNameKey conceptsPDUdevicesMain operations
Layer 3* Network Logical addressing Packet Router routes data between networks
Layer 4* Transport packaging and shipping Segment gateways provides flow control for end-to-end connections
Layer 5 Session timing data -- open/closes sessions
Layer 6 Presentation file formates data -- encryption, compression, translation
Layer 7 Application giving orders data -- demand transfers, IDs partners, final error resolution
Layer 1 Physical physical technology (baseband or broadband) Bit hubs putting bits on the wire
Layer 2* Data-link Hardware addressing Frame switch frames data for local network
Created by: carly.files
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