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physical layer tutorial

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369 Days Networking Cyber Security

Day 8 – OSI Layer 1: Physical Layer

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πŸ“… Day 8 – OSI Layer 1: Physical Layer 🏷️ Topic: Physical Layer (OSI Layer 1) πŸ” Key Concept: Cables, Signals, Ports ✍️ Caption: β€œThis is the battlefield where real communication begins β€” wires, waves, ports.” βΈ» πŸͺ– Welcome to the Frontline: The Physical Layer In a war zone, no strategy works without boots on […]