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Clear networking tutorials for routing, switching, VLANs, subnetting, Wi-Fi and infrastructure troubleshooting.

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How Computers Communicate on the Internet: A Complete Beginner’s Guide to Packets, IP Addresses, Routers, DNS, TCP and the Journey of Your Data
Networking

How Computers Communicate on the Internet: A Complete Beginner’s Guide to Packets, IP Addresses, Routers, DNS, TCP and the Journey of Your Data

Ever wondered what happens when you type a website address and press Enter? Learn how computers communicate over the internet through DNS, routers, packets, TCP/IP, and HTTPS in this complete guide.

29 min read • Featured guide

Networking FAQs

Ask SurgeTechKnow

What is networking?

Networking connects computers, servers and devices so they can communicate and share resources.

What is VLAN?

A VLAN logically separates network devices into different broadcast domains for better organization and security.

Why is subnetting important?

Subnetting helps organize IP networks, reduce waste and improve network planning.

Is CCNA useful for networking careers?

Yes. CCNA builds foundational routing, switching, IP addressing and troubleshooting skills.