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Networking Basics
OSI, IP addressing, protocols, ports, LAN essentials, and troubleshooting
Module 1
OSI & TCP/IP Model
Understand network layers and how data is encapsulated from app to wire.
4 lessons
Module 2
IP Addressing
IPv4, subnetting, IPv6, and public vs private address space.
5 lessons
Module 3
Protocols
DNS, HTTP/S, mail protocols, and hands-on Wireshark packet analysis.
5 lessons
Module 4
Transport & Ports
TCP vs UDP, essential port numbers, and local port scanning labs.
4 lessons
Module 5
Troubleshooting & Network Security
NAT, firewalls, layered troubleshooting, and a full connection diagnosis lab.
4 lessons
Module 6
LAN Essentials
Switches, MAC addresses, ARP, DHCP, and a local network exploration lab.
5 lessons