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Day 13 – OSI Layer 6: Presentation Layer

Cheekati Srinu Updated on July 13, 2025July 23, 2025Write a Comment

📅 Day 13 – OSI Layer 6: Presentation Layer 🏷️ Topic: Presentation Layer 🔍 Key Concept: Translates and Encrypts Data ✍️ Caption: “This layer is the translator and secret keeper — formats and secures data.” ⸻ 🧠 Presentation Layer — The Translator & Secret Agent of Networking Let’s say two people from different countries want […]

369 Days Networking Cyber Security

Day 12 – OSI Layer 5: Session Layer

Cheekati Srinu Updated on July 13, 2025July 22, 2025Write a Comment

📅 Day 12 – OSI Layer 5: Session Layer 🏷️ Topic: Session Layer 🔍 Key Concept: Starting, Managing, Ending Communication ✍️ Caption: “Opens the call, keeps it alive, and says goodbye — just like a phone call.” ⸻ ☎️ The Session Layer — Your Digital Call Handler Think about a phone call:You dial, talk, and […]

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 […]