Web Application Basics & Client-Server Architecture | JKPSI Telecom Exam 2026 - Chapter 01

In this lecture of the JKPSI Telecom Exam Series, we cover Unit 12 – IT Systems & e-Governance, Part 1: Web Application Basics and Client-Server Architecture from scratch to advanced level.
📌 Topics Covered in This Video:
✅ Internet vs World Wide Web
✅ What is a Web Application? Types (Static, Dynamic, SPA, PWA)
✅ How a Web App Works – Step by Step
✅ Frontend vs Backend vs Database (3-Tier Model)
✅ Client-Server Architecture – Core Concepts
✅ Types: 1-Tier, 2-Tier, 3-Tier, N-Tier Architecture
✅ HTTP vs HTTPS – Protocols Explained
✅ HTTP Methods: GET, POST, PUT, DELETE
✅ HTTP Status Codes (200, 404, 500 etc.)
✅ TCP/IP & DNS Explained
✅ Complete Request-Response Cycle
✅ 30 MCQs with Explanations at the End

📚 Free Study Material & Notes:
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📢 Telegram Channel → t.me/jkedusphere

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