Networking Fundamentals

Common Ports & Protocols A Complete Beginner’s Guide with Easy Examples (2026) Introduction Every time you browse a website, send an email, stream a video, or connect to a remote computer. Then your device communicates using network protocols through specific port numbers. Think of the Internet as a huge city. Every building has an address […]

Routing and Switching Complete Guide with an Easy Example Introduction Every time you browse a website, send a WhatsApp message, watch a YouTube video, or join a Zoom meeting, two essential networking technologies work behind the scenes. These technologies are called Routing and Switching. Although these terms are often mentioned together. They perform different tasks,

DHCP (Dynamic Host Configuration Protocol) Complete Guide with Easy Examples Introduction For example if you walk into a hotel. Instead of choosing your own room, the receptionist automatically assigns you an available room, gives you the room number, Wi-Fi password, and checkout time. You don’t need to configure anything yourself.  Same as it. A DHCP

DNS A Complete Beginner’s Guide with Easy Example What is DNS? DNS stands for Domain Name System. Which is represented like an address that is used on the internet. It translates human readable domain names (such as google.com).But IP addresses (such as 142.250.190.78) are easy to understand or readable for computers . So, that your

Subnetting Complete Guide with Easy Example What Is Subnetting? Subnetting is the process of dividing a large IP network into a smaller network. So, that is more manageable networks called subnets (sub-networks). Instead of placing every device on one large network, sub-netting organizes devices into separate groups. For making the network faster, more secure, and

IP Addressing A Complete Guide with Examples What Is IP Addressing? IP Addressing is that address which the system used to assign a unique address to every device that is connected to a network. As well as a house having a unique postal address, every device on a network needs a unique IP (Internet Protocol)

TCP/IP Model Complete Guide with Trusted Examples The TCP IP Model stands for (Transmission Control Protocol/Internet Protocol) Model is the foundation of modern computer networking. It defines how data is transmitted across networks, including the internet. Forever when you browse a website, send an email, watch a YouTube video, or use social media. Then the

OSI Model The OSI (Open Systems Interconnection) Model is a conceptual framework. That explains how data travels from one device to another device by using a network. It divides the communication process into seven distinct layers. That’s making it easier to understand, troubleshoot, and design computer networks. The OSI model was developed by the International