TCP Working: 3-Way Handshake & Reliable CommunicationWhat is TCP and why it is needed? TCP stands for Transmission Control Protocol. It's a set of rules that ensures data sent over the internet arrives: In the correct order Without errors Without loss Without duplicates Think of it as: Registe...Feb 1, 2026·3 min read
Understanding Network DevicesWhat is a Modem and how it connects your network to the internet? A modem connects your network to your ISP. It converts the internet signal into data your devices can use. No modem, no internet. What is a Router and how it directs traffic? A rout...Jan 22, 2026·2 min read
