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Day 12 – OSI Layer 5: Session Layer

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

Day 11 – OSI Layer 4: Transport Layer

πŸ“… Day 11 – OSI Layer 4: Transport Layer 🏷️ Topic: Transport Layer πŸ” Key Concept: Reliable Delivery (TCP/UDP) ✍️ Caption: β€œDelivers your message either carefully (TCP) or quickly (UDP).” βΈ» πŸ“¬ Transport Layer β€” The Delivery Agent of the Internet Let’s say you’re sending an important letter or a birthday party invite. Do you:β€’ […]

OSI Layer 3: Network Layer

πŸ“… Day 10 – OSI Layer 3: Network Layer 🏷️ Topic: Network Layer πŸ” Key Concept: IP Addressing and Routing ✍️ Caption: β€œThis layer finds the path β€” like a GPS for your data.” βΈ» πŸ—ΊοΈ Meet the Network Layer β€” The Navigator of the Internet Imagine you’re driving across states, from Andhra Pradesh to […]

Day 9 – OSI Layer 2: Data Link Layer

πŸ“… Day 9 – OSI Layer 2: Data Link Layer 🏷️ Topic: Data Link Layer πŸ” Key Concept: MAC Address, Frame Handling ✍️ Caption: β€œIt ensures who talks first and how the message is dressed (framed).” βΈ» πŸ§₯ Meet the Data Link Layer β€” The Uniformed Officer of Communication In a military parade, you don’t […]

Day 8 – OSI Layer 1: Physical Layer

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 […]

πŸ“… Day 6 – Client-Server Model

πŸ“… Day 6 – Client-Server Model 🏷️ Topic: Client-Server Model πŸ” Key Concept: One asks, one gives ✍️ Caption: β€œYou order food (client), the kitchen serves (server) β€” same in networks.” βΈ» 🍽️ Think of a Restaurant… Imagine you’re hungry. You walk into a restaurant, sit at a table, and place an order with the […]

Day 7 – OSI Model Introduction

πŸ“… Day 7 – OSI Model Introduction 🏷️ Topic: OSI Model πŸ” Key Concept: 7 Layers of Communication ✍️ Caption: β€œFrom app to wire, OSI is the military drill β€” 7 steps to send a message.” βΈ» πŸŽ–οΈ The OSI Model: A Military-Style Mission Plan In the armed forces, every mission follows a strict chain […]

πŸ“… Day 5 – What is a MAC Address?

πŸ“… Day 5 – What is a MAC Address? 🏷️ Topic: MAC Address πŸ” Key Concept: A unique identifier assigned to every network device at the hardware level. βΈ» 🧠 Introduction In the world of networking, two crucial addresses help identify devices:β€’ The IP address, which changes based on your location or network.β€’ The MAC […]

πŸ“… Day 4 –IP Address: Your Digital Home Address

πŸ“… Day 4 – IP Address: Your Digital Home Address 🏷️ Topic: IP Address πŸ” Key Concept: A unique identifier assigned to each device to send and receive data on a network. βΈ» 🧠 What Is an IP Address? An IP Address (Internet Protocol Address) is a unique identifier assigned to each device connected to […]