Introduction to Networking & OS Concepts

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About Course

This foundational course introduces learners to the core concepts of computer networking and operating systems, providing the base required for understanding cybersecurity. You’ll explore how networks work, how data travels, what protocols are used, and how operating systems manage resources and security. The course blends theory with live demonstrations to help students understand both the network infrastructure and the OS-level processes that keep systems running securely.

What Will You Learn?

  • Understand how computer networks operate
  • Learn how data moves across systems using protocols
  • Explore the structure and working of operating systems
  • Identify common network and OS vulnerabilities
  • Practice using network and OS commands
  • Build a strong base for advanced cybersecurity learning

Course Content

Introduction to Networking
What is a network? Types of networks (LAN, WAN, MAN, PAN) Understanding topology (Bus, Star, Ring, Mesh) Network devices: router, switch, hub, access point

How Data Travels Across Networks
Data packets and encapsulation OSI Model overview (7 layers explained simply) TCP/IP model and comparison with OSI Understanding IP addressing and MAC addresses

Common Networking Protocols
HTTP/HTTPS, FTP, DNS, DHCP, SMTP, SSH explained The role of ports and firewalls in communication Ping, Traceroute, and basic troubleshooting commands

Basics of Operating Systems
What is an OS and its functions Types of operating systems (Windows, Linux, macOS) System components: kernel, shell, and file system How OS manages processes, memory, and storage

Windows Operating System Concepts
Windows architecture overview File management, user accounts, and permissions Task Manager, Services, and Registry basics Command Prompt & PowerShell intro

Linux Operating System Basics
Linux directory structure and commands File permissions (r, w, x) and ownership Package management and system updates Using the terminal for system monitoring

OS & Network Interaction
How OS uses networking protocols Network configuration files in Windows & Linux Checking connections and troubleshooting network issues Secure communication between systems

Security Introduction in Networks & OS
Common vulnerabilities in OS and networks Importance of updates and patches Basic security tools and configuration practices

Hands-on Lab Session
Checking IP configuration Pinging other devices Creating user accounts and setting permissions Navigating Linux file system

Course Summary & Quiz
Recap of key concepts Real-world applications of networking & OS Quiz and assignment overview Certificate & next course recommendation

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