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Convert HEX to Decimal in under 30 seconds!

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2 Hours of Training - This course is geared for Cisco's, CCNA (200-120) certification exam as well as other courses needed for conversions.


This course will give you the knowledge and understanding of how to convert hex to decimal, decimal to hex anbinary to hex or decimal.

You will become familiar with the format of hexadecimal numbers, their use and their bit values. This course is mostly lecture based using a whiteboard. This method will make you feel like you are sitting in a classroom environment.

Handouts will be available for students to facilitate
learning and practice.

This course will help you in becoming comfortable with, not only conversions, but it will also help you in preparing for the CCNA certification and Computer Science Degrees; not to mention the fact that for those that are already working in the field, it will help you in calculating the conversions without a calculator. This method should expedite the way you convert in order to make you faster, better and stronger.


"Now I can easily do these kinds of conversions with just a pen and paper, when before I didn't even like numbers that much! The course was recorded with the instructor teaching and writing on a whiteboard, like a real lecture, and what's also great is that there are repeating practices throughout the course so it's not just a simple info dump. Included as well are a bunch of replicable tables which makes the job easy. Definitely achieved what I was looking for, and definitely recommend this course to others as well."

- Kamil Hakimi

"This is a brilliant little course. He uses very good techniques that will have you converting binary/decimal/hex numbers back and forth in no time. He is concise and breaks it all down into easy manageable chunks - like bits :P Thanks so much for these free lessons, they helped me immeasurably!"

- Thomas Brewster

Your GNS3 Academy Instructor


Lazaro Diaz
Lazaro Diaz

If you are tired of the same old methods of learning and want someone that is pretty much unconventional, but at the same time will provide you with an enjoyable learning experience in layman's terms...then please preview my courses and you will discover that I am your guy.

I am a Network Engineer with over 15+ years in the field and in the teaching industry. I hold the following certifications: CCNA, CCNA Security, CCNA Voice, Security+, Network+, A+, MCP, MCTS & MOS and I just passed the first of two test for the CCIE!

My teaching experience stems from teaching at institutions like Palm Beach Community College, New Horizons, Florida Career College (now Anthem College) and The Academy of South Florida, not to mention teaching at my own training facility in Miami, Florida.

Having been in all sides of the spectrum; as a student, a teacher/trainer, and in the field, I believe this uniquely qualifies me to understand the student, and what they have been exposed to as opposed to what they really want to accomplish. These two are sometimes extremely conflicting and frustrating. That is why I teach in the manner I do and can relate to the student's rejection of the Status Quo.

I have taught corporate employees at MetroPCS (now T-Mobil) and have also taught IT professionals of companies like The Florida Marlins, Hospital personnel & Attorney's firms amongst others to be able to acquire their CCNA certification and/or their Microsoft certifications; like the MOS (Microsoft Office Specialist). YES!...I am also an applications instructor and also teach Word, Excel, PowerPoint and Access.

I teach in an unconventional way that allows for students to understand the subject matter and can therefore, not only prepare them for a Cisco and/or Microsoft certification exam, but apply my methods in the real world. I strive to give the student a greater opportunity to compete in the current job markets. Do I go above and beyond what is needed for a certification?...YES, I do!...because it's not only about getting a certification, it's also about making sure the student is prepared for a job interview and/or maintaining their current job by enhancing their skills. This is where I step in and make sure that the student is prepared for whatever they need and make them an asset to their employer. Everyone has different requirements and I make sure, or at least I try, to provide information for most scenarios.

My classes and/or courses are very simple and that's how I like to teach. If things are kept simple, easy and explained in a way that the student can grasp quickly and retain the information...then I have achieved my goal!

For those that do not know me yet, you may not be used to my style of teaching, but you will soon get accustomed to it :)... I'm very laid back, I try to make learning fun and I teach in layman's terms...no physics jargon or mumbo jumbo in my teachings. My courses are very interactive and extremely dynamic!...you will not find my lectures monotone or boring, because falling asleep, for lack of excitement, is just NOT an option. Just take a look for yourself at my video previews, which I always provide on ALL my courses, so you can determine if I'm the right guy to help you get your industry specific certifications. ;)


Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It 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?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
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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