OSI Model 3.0 / 5 based on 1 rating ? ICTNetworksA2/A-levelAll boards Created by: dermot goukCreated on: 27-05-16 23:52 OSI Model Consists of abstact basic model of networking and a set of specific protocols Consists of Seven Layers Each layer deals with specific functionaility Each layer interacts directly only with the layer immediately beneath it and provides facilities for use by the layer above 1 of 7 OSI Model- Application Layer Provides application support Defines the way in whcih the applications interct with the user 2 of 7 OSI Model Presentation Data conversion, compression and encryption Defines the way data is represented 3 of 7 OSI Model- Session Sharing of a network connection between networked computers 4 of 7 OSI Model- Network Movement of data across network Routes data to different LANs and WANs 5 of 7 OSI Model- Data Link Supervises transmission of data confirming using checksums, echnochecking (The Data link will hold the duplicate data if retransmision is required) 6 of 7 OSI Model- Physical This is about the physical as[ects of the network The hardware used for network transmission e.g. Network Cards and Cabling 7 of 7
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