He has been training networking courses for more than 15 years, teaching on a wide range of topics including Routing and Switching, Service Provider and Security (CCNA to CCIE). In addition, he has been developing and updating the content for these courses. He has assisted many engineers in passing out the lab examinations and securing certifications. http://www.noasolutions.com/sikander_shaik.htm https://www.facebook.com/pages/Sikandar-Shaik/1488733724744696 https://www.facebook.com/profile.php?id=1603489273 https://www.linkedin.com/in/sikandarshaik/ We have active 1, 65,000 Users learning cisco Technologies using our videos online on udemy Platforms https://www.udemy.com/user/sikandar2/