Relier Pairs NETWORKING-3Version en ligne Study OSI Model par Coskun Polat 1 PHYSICAL LAYER 2 TRANSPORT LAYER 3 PRESENTATION LAYER 4 SESSION LAYER 5 APPLICATION LAYER 6 NETWORK LAYER 7 DATA LINK LAYER This layer corrects errors which can occur at the physical layer. This layer interacts with an application program, which is the highest level of OSI model. This layer helps you to define the electrical and physical specifications of the data connection. This layer provides the functional and procedural means of transferring variable length data sequences from one node to another connected in "different networks". This layer controls the dialogues between computers. It helps you to establish starting and terminating the connections between the local and remote application. This layer builds on the network layer to provide data transport from a process on a source machine to a process on a destination machine. This layer transforms data into the form which is accepted by the application. It also formats and encrypts data which should be sent across all the networks.
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