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OSI Model 7

OSI Model levels

QuestionAnswer
Application (layer 7) Provides Interface between software applications and network for interpeting applications requests and requirments
Presentation (layer 6) allows hosts and applications to use a common language; performs data formatting, encryption,and compression.
Session (layer 5) Establishes, maintains, and terminates user connections.
Transport (layer 4) Ensures accurate delivery of data through flow control, segmentation, and reassembly, error correction, and acknowledgment.
Network (layer 3) Establishes network connections; translates network addresses into their physical counter parts and determines routing.
Data Link (layer 2) Packages data in frames appropriate to network transmission method.
Physical (layer 1) Manages signaling to and from physical network connections.
Created by: big_e214