Introduction to Computer Networking - 4 Hour Crash Course

Learn the basics of IP, Ethernet, VPNs, WANs, DHCP, DNS, and more with no prior knowledge required. Bonus IP addressing course included!

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"This course explains concepts in a way where you genuinely don't need experience to understand. Relating the concepts to normal daily scenarios or routines is a great way to teach, and to get some much content done in 2 hours is fantastic." -Adam

"It was very informative, and I enjoyed the instructor's explanations and examples. I will recommend him to friends any day!" -Frank


**This course was recently updated to include a bonus 2-hour course explaining IP addressing and subnetting basics!**

Do you need to understand the basics of Computer Networking? Have you found that many training resources use complex technical jargon that makes it difficult to understand the basic concepts? If you need to get a basic understanding of Networking quickly and clearly, this is the course for you.

This course answers the questions:

  • What is an Ethernet network and how do MAC addresses work?
  • How is a router used to forward traffic between different networks?
  • What is the difference between and IPSEC and Layer 2 VPN?
  • How does DNS work, and why is it important?
  • What is DHCP, and how does it distribute IP addresses?
  • What are subnets, network addresses, and broadcast addresses?
  • What is the difference between a public IP address and a private IP address?
  • Key Features of this course:
    • Many downloadable PDF study guides included!
    • Most lectures in this course are 5 - 10 minutes long.
    • Ideal starting point for CompTIA Network+ prep.
    • Quizzes included after each chapter.

Bonus course! If you need to get a basic understanding of IP Addressing quickly and clearly, this is the course for you!

This course addresses the following topics:

  • What is the purpose of IP addresses?
  • Private vs. Public IPs
  • IPv4 vs. IPv6
  • IP address structure in decimal and binary forms
  • How to create subnets and design network environments with multiple subnets
  • Variable Length Subnet Masking and classful addresses

Your Instructor


Rick Crisci
Rick Crisci

I am the owner of TrainerTests, and an official certified trainer for VMware and AWS.

I have delivered thousands of hours of official live training to my students, and I love teaching people new skills.

I am the founder of TrainerTests, which provides video training unlike any other company. I believe in using high quality illustrations and animations to simply complex concepts. in my courses you will get the technical depth that you need, with a focus on making sure that you completely understand the underlying concepts.

I have over 200,000 students across a variety of platforms, with multiple top-rated and best selling courses.


Course Curriculum


  Introduction
Available in days
days after you enroll
  IP Addressing and Subnetting
Available in days
days after you enroll

Frequently Asked Questions


When does the course start and finish?
This is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
If you choose to enroll in the TrainerTests Full Access subscription, you will get access to this, and all of my other courses for the duration of your subscription! If you enroll in this course only, you have unlimited access to this course for one year. As the course is updated, you will get access to all the latest changes and new materials.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

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