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Wireshark: Packet Analysis and Ethical Hacking: Core Skills

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Cisco CCNA GNS3 Ultimate Labs: CCNA Exam Prep Labs to pass

Linux for Network Engineers: Practical Linux with GNS3

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Cisco CCNA / ICND2 (200-105) Complete Course: Sims and GNS3

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Like all other courses I've taken from David his attention to detail and explanation of the technologies are excellent! I would definitely recommend this course to a colleague looking to skill up and build on networking concepts!!!!

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I like the way that David reinforces through multiple show commands. Which enforces a habit to continually verify your configurations each step of the way... and not to assume everything is correct, only to discover later that mistakes were made, which can become a major frustration!

Kevin McFarland

Great voice, straight forward. Answers common questions during the lecture. Of all the Python dabbling I have done, this is the course that got me moving. In fact I have uploaded my first very simple Python script to GitHub, after many iterations.

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This is the best series on python and networking i have seen. author is A+++++++ please keep it up as you are really great in helping others start and accelerate learning all the best

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I follow David very closely on his channel and he is always very systematic and to the point. I want to pursue my career in Networking and i know for sure that this a dream coming reality based on the content of this course.

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