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Day 14 – OSI Layer 7: Application Layer

Cheekati Srinu Updated on July 13, 2025July 24, 2025Write a Comment

📅 Day 14 – OSI Layer 7: Application Layer 🏷️ Topic: Application Layer 🔍 Key Concept: User-Facing Applications ✍️ Caption: “What you see — browsers, chats, apps — all live here.” ⸻ 🌐 Application Layer — Where You and the Network Finally Meet After all the translation, delivery, encryption, and routing — where does your […]

369 Days Networking Cyber Security

Day 11 – OSI Layer 4: Transport Layer

Cheekati Srinu Updated on July 13, 2025July 21, 2025Write a Comment

📅 Day 11 – OSI Layer 4: Transport Layer 🏷️ Topic: Transport Layer 🔍 Key Concept: Reliable Delivery (TCP/UDP) ✍️ Caption: “Delivers your message either carefully (TCP) or quickly (UDP).” ⸻ 📬 Transport Layer — The Delivery Agent of the Internet Let’s say you’re sending an important letter or a birthday party invite. Do you:• […]

369 Days Networking Cyber Security

Day 8 – OSI Layer 1: Physical Layer

Cheekati Srinu Updated on July 13, 2025July 18, 2025Write a Comment

📅 Day 8 – OSI Layer 1: Physical Layer 🏷️ Topic: Physical Layer (OSI Layer 1) 🔍 Key Concept: Cables, Signals, Ports ✍️ Caption: “This is the battlefield where real communication begins — wires, waves, ports.” ⸻ 🪖 Welcome to the Frontline: The Physical Layer In a war zone, no strategy works without boots on […]