Networking Fundamentals

Networking Fundamentals

Learn the fundamentals of networking for your IT and cybersecurity career

Networking is easily one of the most recommended topics to learn for anyone interested in an IT or cybersecurity career, making it one of the most important skills to build when starting out.

Regardless of what job you end up choosing, having a foundational understanding of how data travels all around us is extremely beneficial.

In this course, you’re going to build that foundation.


$ 14
  • Video and written lessons
  • Lifetime access
  • Downloadable ebook


$ 19
  • Save 29% - Bundle Discount
  • Course & Ebook bundle
  • Video and written lessons
  • Downloadable ebook version of the course
  • Lifetime access
Best value


$ 10
  • Downloadable ebook version of the course
  • Lifetime access
  • Videos

Who is the course for?

Here's what you get

2h+ of content
28 Lessons
Author support

Learn core concepts of networking

Learn concepts that will be useful throughout your IT and Cybersecurity career.

Explore the OSI and TCP/IP Models

The OSI and TCP/IP models have shaped how the internet functions, so this is our starting point. What are these models? How do they compare to one another? What should you know about them? These are questions we answer as we get started in the course.

Learn about the physical layer

How are we able to communicate with people across different continents? How does wifi work? How do wired networks work? Let’s take a look!

Learn about the data link layer

MAC addresses, MAC Address Tables, switches, and Broadcast Domains, are all critical components to making networks work.

Learn about the network layer

In this section, we cover:

  1. IP addressing
  2. Routers and Routing Tables
  3. Network Masks
  4. Network and Host IDs
  5. Default Gateways
  6. Reserved, Public, and Private IPs
  7. IPv6 vs IPv4
  8. Network Address Translation (NATs)

Learn about the transport layer and the 3-way handshake

The transport layer dictates whether data will be transported via TCP or UDP, and which port will be used. We also learn about the 3-way handshake which is an important concept to know, and we explore potential attacks.

...and see how it all ties together

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But wait, there's even more

With your purchase, you also get access to..


Free courses

We offer multiple free courses and are frequently adding more. Purchasing this course automatically grants you access to those courses as well!


Cybr's Community

Ask questions, get answers, and share resources with other students via our Forums and Discord communities. You can also chat in real time with the course author, mentors, and other Cybr members.

Frequently Asked Questions

If you aren’t satisfied with your purchase, we will provide you with a full refund as long as you contact us within 30 days of purchase.

Yes! Buy it once and it’s yours to keep! Zero hidden fees.

The course is a full-featured online course with guided videos and written lessons. The ebook is the same content without the guided video lessons, and it can be downloaded offline. The bundle offers both in one purchase!

Yes! Interact as little or as much as you’d like with other students taking the same course. We have a Discord community and our Forums.

Ready to learn?