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CS3510Lecture3 - CS 3510 Computer and Networking...

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Dr. Clincy Lecture Slide 1 CS 3510 Computer and Networking Architecture Dr. Clincy Ch 2 – Network Models
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Dr. Clincy Lecture Slide 2 Recall - OSI Open Systems Interconnection Developed by ISO (International Organization for Standardization) Contains seven layers Application Presentation Session Transport Network Data Link Physical
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Dr. Clincy Lecture Slide 3 Summary of OSI Layers
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Dr. Clincy Lecture Slide 4 Recall - OSI Reference Model ? Bottom 3 layers Bottom 3 layers responsible for getting letter to destination (Bottom 3 layers): at the lower levels of the model protocols define the electrical and physical standards (Bottom 3 layers) at the lower levels, the bit ordering, the transmission of the bits, and error detecting and correcting are defined Top 4 layers at the higher levels of the model, the protocols define the data formatting, message syntax, dialogue management, message sequences and info presentation
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Dr. Clincy Lecture Slide 5 Recall - An exchange using the OSI model Recall encapsulation and decapsulation
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Dr. Clincy
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