Cisco CCNA - Cisco Certified Network Associate Certification Training (Implementing and Administering Cisco Solutions) Overview of Cisco CCNA Certification Training What is CCNA? Cisco Certified Network Associate (CCNA) is a globally recognized entry-level certification program offered from Cisco Systems. It validates the skills and knowledge required to install, operate, and troubleshoot small-to-medium sized enterprise networks. CCNA training provides a comprehensive understanding of networking concepts, including protocols, LAN/WAN technologies, network security, and network management ..read more

The Fun Side of the Internet of Things With so many, more serious, applications of the Internet of Things (IoT) it is nice to see development of applications that are “just for fun”. The Internet, as we all know, is the thing that makes the world go around. We use it in pretty much every aspect of our lives: work, school, research, shopping, entertainment, social interaction. The list goes on and on. Nowadays, we could not imagine life without it. It has integrated itself to the very fabric of our personal and interpersonal existence. All in the Past We have all heard of Wireless. Radio w ..read more

Exam Preparation Tips At the point when most of your study is done, and you feel pretty confident about the content of the study materials, it is time to schedule your exam. Even for the best prepared students, actually scheduling the exam can be a nerve-wracking experience in-and-of itself because it is, at this point, that the “test date” becomes a hard reality. This date will become the focus of all your remaining studying efforts. You still need to brush up on your studying, even until the day before the exam, so here are some exam preparation tips to help you. So let’s get st ..read more

Current IT Industry Overview We are often asked which is the strongest growth area of the IT industry. We hope this short summary of upcoming trends will help prospective students determine which path would be the best for them… Network Infrastructure Market Over the past 5 or 6 years, the network infrastructure market has been undergoing an evolution: that of virtualization and convergence of networking, server, and storage, as well as that of software defined networking (SDN). Essentially, this is the next generation of the virtualization that has been taking shape in the server world ..read more

Why IT Industry Certifications? We are often asked whether IT industry certifications are they really worth the effort it takes to achieve them?” The short answer: it depends what they are for, and who they are from. It is always best to select a well-known certification from a reputable provider: Apple, Citrix, CompTIA, Cisco, CWNP, EC-Council, (ISC) 2 , ITIL, Microsoft, Oracle, PMI, Red Hat, SANS GIAC, Sun, VMWare, to name but a few. You also need to consider what your end-goal is. Are you looking to gain expertise in one specific vendor’s products, or are you looking for generic pro ..read more

The True Value of the Top Wireless Certifications The Information Technology (IT) industry is famous for its plethora of industry-standard certifications. Engineers can choose from certifications in every aspect of the multitude of different facets within this huge field. The top wireless certifications are often an overlooked goldmine. Generally, people pick a favorite part of information technology and deep-dive into it, eventually becoming an expert in that field. It is said that it is impossible for any one person to know everything about IT! Unseen Benefits of Wireless Certifications ..read more

AP Power settings made easy To fully understand and sometimes troubleshoot our wireless networks, we need to know exactly what is going on with our AP s, especially what power they are outputting. So in this post we are going to look at AP Power settings made easy. The Problem – Different AP models each have their own Power Levels The problem we face is that different models of AP, each have their own set of power levels. Cisco only tells us a number between 1 and X. 1 is full power, every number we add to it is a decrease of 3dB. Some APs go to 5, some go to 8. The same AP on 2.4GHz can ..read more

The Benefits of a Cisco CCNA Certification What is a certification? According to the ISO , a certification is “the provision by an independent body of written assurance (a certificate) that the product, service, or system in question meets specific requirements”. In other words, it is independent verification that someone or something can do the job it purports to be able to do. When talking about our careers in technology, there are a plethora of IT industry certifications to choose from, and selecting the one that is going to give the most value for money is a hard choice for many people ..read more

The Krack hack – is it the end of the world, or worse, is WPA2 dead? So here we go… I recently read rather a lot of articles entitled “WPA2 is dead” or “The end of wireless security” and so on, online, and actually saw stuff on the news (TV news channels). What happened then? Well let’s spread some truth in the vast world of “exciting” news cycles, and dramatic news bulletins. What I am going to do, is to tell you some truths about the Krack virus (actually got an email from a family member, someone who was worried about this, because they saw this Krack virus on British news!) &nbs ..read more

I am sure you have seen this graphic from my good friend, Francois Verges’, on his website: Free Space Path Loss The graphic is shown here, with a great explanation: https://semfionetworks.com/blog/free-space-path-loss-diagrams/ It is awesome, and explains Free Space Path Loss in a simple way. Well, I was thinking, what would it be like for 6GHz* and also for 60GHz. And, while I am there, how about calculating for 1GHz (approximation of sub-1GHz) as well? So, I did.  Here are the calculations:** A fillable copy of the calculation spreadsheet is available by emailing  amy@nc-expert ..read more