networking-fundamentals

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.

Survey-style research project on modern data center networking, covering topology, protocols, security, resiliency, and AI usage.

This is the source code for a free networking guide that provides a high-level overview of common networking concepts you may encounter in information technology (IT) support, system administration, DevOps, software development, cybersecurity, and other technical roles.

Free browser-based packet-flow visualization tool — watch packets traverse routers, switches, and firewalls in real time. Built by Networkers Home.

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

Exploratory labs for learning networking fundamentals and system behavior.