About Lesson
Lecture # 8 “Computer Networks”
In this lecture, we’ll explore the vital role of computer networks in connecting the world, and the importance of cybersecurity in keeping our digital lives safe. You’ll learn how networks operate, how devices communicate, and how to protect yourself and your data from digital threats.
Through real-life examples, updated insights, and interactive activities, this lecture will guide you through the foundations of networking and the modern challenges of staying secure in an increasingly connected environment.
Additional Resources:
🎥 Learning Videos
- What Is a Computer Network? – Techquickie
YouTube Link
→ A simple explanation of networks, routers, and IP addresses. - Types of Computer Networks – Simplilearn
YouTube Link
→ Covers LAN, WAN, MAN, and PAN with visual examples. - What Is Cybersecurity? – IBM Technology
YouTube Link
→ A beginner-friendly overview of cybersecurity threats and protection. - How Ransomware Works – Wired
YouTube Link
→ Real-world explanation of ransomware and why it’s dangerous.
📖 Articles & Blogs
- Introduction to Computer Networks – GeeksforGeeks
Read Here
→ Great breakdown of network types, components, and protocols. - Cybersecurity Basics – National Cybersecurity Alliance
Read Here
→ Practical security tips for everyday users. - What Is Zero Trust Security? – Microsoft Learn
Read Here
→ A clear explanation of the modern zero-trust model in cybersecurity. - AI in Cybersecurity – IBM Blog
Read Here
→ How machine learning is used in threat detection and prevention.
🧩 Interactive Tools & Quizzes
- Cisco Networking Self-Assessment Quiz
Practice Here
→ Quick review of basic networking concepts. - Cybersecurity Awareness Quiz – StaySafeOnline
Take the Quiz
→ Tests your knowledge of phishing, malware, and safe practices.
By the end of this lecture, students will be able to:
- Define the purpose and types of computer networks (LAN, WAN, MAN, PAN).
- Identify key components of a network and explain how they function together.
- Explain common cybersecurity threats like phishing, malware, and ransomware.
- Apply best practices to enhance personal and professional digital security.
- Describe modern trends in cybersecurity, including AI, biometrics, and cloud security.