This lesson covers fundamental networking measurement units including bits, bytes, bandwidth, latency, and throughput. It explains why electronics use binary systems, how these units are measured at scale, and the differences between them, using analogies to clarify concepts.
This lesson introduces the OSI model, a conceptual framework for network communication, and explains data encapsulation using a postal service analogy. It details the purpose of the OSI model in standardizing networking protocols and compares it to the TCP/IP model.
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