Welcome to the Networking Knowledge Hub. This section covers all essential networking concepts, tools, and configurations for IT professionals, beginners, and advanced users alike. Use the categories below to explore different aspects of computer networking.
Basic concepts and structure of how networks operate.
IP Addressing & Subnetting
Learn how devices are identified on a network and how networks are divided.
MAC Addressing & ARP
Explore how physical hardware addresses are used and resolved via ARP.
Network Types (LAN, WAN, WLAN, PAN
Understand the scope and purpose of various types of networks.
IPv6 Introduction
Modern IP addressing system – structure, types, and adoption.
OSI Model
Learn the 7-layer model (Physical to Application)
Understand how data moves through a network
TCP/IP Model
Real-world protocol stack (4 layers)
Basis of modern networking and the internet
Physical and logical components used to build and manage networks.
Network Devices (Router, Switch, AP, etc.
Functions of key networking hardware and where they are used.
Cabling & Ports (Ethernet, Fiber, etc.
Overview of physical connection standards and speed classifications.
Firewall Devices & Access Control
Hardware and software tools that filter and secure network traffic.
Settings, services, and protocols used to manage networks efficiently.
DHCP (Dynamic Host Configuration Protocol
Automatically assign IP addresses and network info to devices.
DNS (Domain Name System)
Resolve domain names to IP addresses within and outside the network.
Static vs Dynamic IP Setup
Comparison of manually set vs automatically assigned IPs.
VLANs & Subnetting Strategy
Network segmentation for efficiency, security, and performance.
Common utilities and command-line tools used for diagnostics and monitoring.
Basic Networking Commands (ping, ipconfig, etc.)
Troubleshoot and gather network info from the CLI.
Advanced Tools (Nmap, Wireshark, Netstat)
Scan networks, capture packets, and analyze traffic.
Security concepts and practices to protect devices and data.
Firewall Configuration & Rules
How to block/allow traffic and secure entry points.
VPN & Remote Access
Secure remote connectivity over public and private networks.
Wi-Fi Encryption & Security Protocols
Protect wireless networks with WPA2, WPA3, MAC filtering, and more.
Resolve network issues and optimize system performance.
Network Troubleshooting Techniques
Step-by-step methods to diagnose and fix common problems.
Monitoring & Bandwidth Tools
Track real-time usage, spot bottlenecks, and optimize connections.
🧭 Start with the basics if you're new, or jump directly into advanced sections for specific solutions.