Cisco CCNA IPv4 Tutorial: Everything You Need! (Udemy.com)

Laz is, by far, the best IT instructor on the Internet. His teaching approach is like no other. If there is any concept you’ve avoided learning in the past because you felt it was difficult to grasp, then Laz is the guy for you!

It is unusual to me giving rating and writing stuff about courses I take. I have taken so many and all Lazaro's courses are well explained and that's why I take the courses he's got available online.

Instructor is knowledgeable, explains things well, production value is a bit early days.

Mr. Diaz is so in depth in his explanation of IPv4, you cant help but learn from him. I have gotten a deeper understanding of sub-netting from him in three days than my professor in four weeks. I'm certain that if I hadn't begun watching Diaz's tutorials, I'd still be struggling with borrowing bits. I only wish I'd started with him sooner.

Laz is one of my favorite instructors on Udemy. He's knowledgeable and communicates clearly and precisely how to learn subnetting. I've taken many of his courses and will continue to as long they keep coming. Thanks Laz for making subnetting easy!!

Excellent course. I am A+ and Network+ certified but was still having trouble with IPv4 and how to do the math taught in other courses. Lazaro broke it down into a no nonsense format that was easily understandable and I am now doing addressing and subnetting in my head quickly and with ease.

I took a course in school on CCNA 3 years ago. It had always concerned me because of the confusing way the school taught sub-netting and super-netting. I wish I had found this course 2 years ago, then I would have gotten my CCNA then. I just finnished this course. Over 4 days running straight through and tested at 85. The thing was the three answers I missed, as soon as I clicked and saw the correct answer, I knew what I did wrong. That usually doesn't happen with me when I get an answer wrong. I either know it, or not. Thank you Professor Diaz for teaching me.

Thank God for the wisdom of Laz. I knew subnetting but reviewing along with this course i have gain more confidence. This break down is the simplest way to subnet. No need of calculators just pure brains. Thank you for this course

After struggling with subnetting again and again using countless methods/tricks/etc I finally "saw the light" after taking this course! I can't do it all in my head, yet, but now feel real confident when tackling the calculations and spend less than half the time that I did with any other method I've tried! Excellent course all the way around!!!

A LOT of info in this course. You can tell Laz is excited about technology. He emphasizes the important topics & keeps your attention even when the subject matter isn't the most exciting. I consider this course $$ WELL spent. Thank You Laz!