Every device you use today depends on networking.
When you send a WhatsApp message, watch a YouTube video, access a website, play an online game, or withdraw money from an ATM, somewhere in the background, networks are making it happen.
A network is the invisible system that allows devices to communicate.
Think of networking as the "language" that computers use to talk to each other.
Humans say:
"Hey, how are you?"
Computers say:
"01001000 01100101 01111001..."
Fortunately, network engineers exist because if we had to communicate with computers using only binary, most of us would retire before lunch. 😄
The purpose of this module is to build the foundation of networking.
Before configuring routers, switches, VLANs, or security systems, students must first understand: