Presentation for how the data travels from Student’s PC to Ulearn System Server
The Open Systems Interconnection (OSI) model was developed by the International Organization for Standardization (ISO) in 1984 but first introduced in the late 1970s. OSI described the 7 layer model with each layer having specific functionality to perform and use to communicate over a network. The OSI 7 layer model is still widely used because it can help isolate and troubleshoot networking problems.
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