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OSI Model 7
OSI Model levels
Question | Answer |
---|---|
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. |