Networking

Computer Networks

Learn how data actually travels — OSI layers, TCP/IP, addressing, and the subnetting decisions that keep a 2,000-device campus network from grinding to a halt.

InstructorProf. Lisa Fernandes
Rating★ 4.6
Students981
Duration7h 45m
LevelIntermediate
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What You'll Learn

  • ✓ Explain how data moves across the OSI layers
  • ✓ Understand TCP/IP and reliable delivery
  • ✓ Assign and reason about IP addressing
  • ✓ Differentiate routing from switching
  • ✓ Apply subnetting to real network designs
  • ✓ Recognize basic network security risks

Course Content

Module 1 — Networking Basics
🔒 OSI Model +50 XP
🔒 TCP/IP Fundamentals +50 XP
🔒 IP Addressing +50 XP
Module 2 — Network Design
🔒 Routing & Switching +50 XP
🔒 Network Security Basics +50 XP
🔒 Subnetting in Practice 🧠 +50 XP

This course includes

📹 6 interactive lessons
🧠 Understand Mode challenges
📝 A 5-question mastery quiz
⚡ XP, badges & streak tracking
🧩 Understanding Score insights