Final answer:
The OSI model has seven layers from bottom to top: Physical, Data Link, Network, Transport, Session, Presentation, and Application, with examples of core protocols including Ethernet, IP, TCP/UDP, and HTTP.
Step-by-step explanation:
The OSI Model Layers and Core Protocols
The Open Systems Interconnection (OSI) model is a conceptual framework used to understand and implement network communications. The OSI model divides the network communication process into seven layers, each with specific functions and protocols. Here are the layers in order from bottom to top, along with examples of core protocols that operate at each layer:
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Understanding the OSI model is crucial for the design and management of computer networks, as it provides a guide for how data should be transmitted and understood across varied systems.