A structured and beginner-friendly guide to the fundamentals of computer networking covering everything from IP addressing, subnetting, routing, and protocols to network security and troubleshooting.

This repository documents my hands on experience and assignments during the Columbia University Cybersecurity Program. It includes home labs related to network security, penetration testing, and defensive security

System design realated resources are stored here.

Aspiring penetration tester with a solid foundation in networking. These labs highlight my hands-on practice with core network protocols.

Learn core IT support skills through hands-on labs, covering hardware installation, networking fundamentals, operating systems management, security basics, and troubleshooting. Perfect for CompTIA A+ certification prep.