The OSI Model breaks a network into seven layers, each with a specific job — from raw electrical signals all the way up to the apps we touch. The whole point is structure: every layer has one role, one responsibility, and one neighbor above and below.That structure makes troubleshooting easier, new tech easier to understand, and communication predictable instead of chaotic.In this episode:• Why the OSI Model exists• How the seven layers split hardware-level bits, frames, packets, segments, sessions, formats, and final user interactions• The difference between upper layers (software-driven) and lower layers (transport-driven)• Real protocols mapped to each layer• OSI vs TCP/IP — where the theory meets real-world networking• Why modular networking still shapes every modern system today🌐 Reserve your permanent digital ad space: AdParcel.io📗 Learn software testing in 1 day: TestingIn1Day.com💻 Connect with tech founders: StartupMafia.net

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