Explore our extensive collection of courses designed to help you master various subjects and skills. Whether you're a beginner or an advanced learner, there's something here for everyone.


Learn live

Join us for our free workshops, webinars, and other events to learn more about our programs and get started on your journey to becoming a developer.

Upcoming live events

Learning library

For all the self-taught geeks out there, here is our content library with most of the learning materials we have produced throughout the years.

It makes sense to start learning by reading and watching videos about fundamentals and how things work.

Search from all Lessons

LoginGet Started
← Back to Lessons
Weekly Coding Challenge

Every week, we pick a real-life project to build your portfolio and get ready for a job. All projects are built with ChatGPT as co-pilot!

Start the Challenge
Podcast: Code Sets You Free

A tech-culture podcast where you learn to fight the enemies that blocks your way to become a successful professional in tech.

Listen the podcast
  • networks

Edit on Github

Network Devices

Network devices are tools that allow electronic devices to communicate with each other, like when you use the internet on your computer or phone. Here I explain some of the most common network devices in simple language:

  1. Router: This is like the brain of your home network. It decides how data travels between your home and the outside world, such as the internet. It also assigns addresses to your devices so they know where to send and receive information.
  2. Modem: This device connects your home to the Internet. It takes the internet signal coming from outside and converts it into something your devices can understand. Think of it as a translator.
  3. Switch: Imagine a switch as a power strip for your devices. You connect various network cables to it so that devices can communicate with each other within your local network, such as your computers, printers, and more.
  4. Access Point: This device allows wireless devices, such as your phone or laptop, to connect to the network. It creates a "Wi-Fi zone" to move freely without wires.
  5. Firewall: A firewall is like a security guard for your network. It protects your devices by blocking threats and controlling who can enter or leave your network.
  6. Signal Repeater (Range Extender): If your Wi-Fi doesn't reach every corner of your home, a signal repeater can help. It takes the existing Wi-Fi signal and amplifies it to cover larger areas.
  7. Combined Modem-Router (Gateway): Some devices act as a modem and routers in one. They are convenient if you don't want two separate devices.
  8. Server: You can think of a server as a powerful computer that stores important information or applications. In enterprise networks, servers are essential for sharing data and applications among many users.
  9. End Devices: These are your devices, such as your computer, phone, tablet, printer, etc. They connect to the network to access the internet and share information.