In the past few months, I’ve written a number of articles on different protocols that you need to be familiar with if you’re studying for your CCENT and CCNA certifications.
I’ve covered Basic Networking Protocols, Internet Control Protocols, both versions of the Routing Information Protocol, the Interior Gateway Routing Protocol, and more.
Today, we’ll focus on Wide […]

As a Network Engineer, your primary goal is to make sure that your network equipment is operating properly at all times. But we all know that any equipment can break down. The reasons for this could be software inconsistencies, hardware malfunctions, maybe even environmental hazards.
Under such unpredictable conditions, your responsibility is to identify and isolate […]

Since the release of the Cisco CCENT Exam (ICND1: 640-822), I have written a number of articles concentrating on the exam objectives for this new certification.
In today’s article, I will give you a short introduction to the Cisco Internetwork Operating System, also known as the IOS. This is the operating system that controls Cisco routers […]

Welcome to Part 2 of Basic Networking Protocols! I’m here to fill you in on some essential knowledge that every Cisco Network Professional should have a solid understanding of.
In today’s article, I will talk about two application layer protocols which are extensively used in every kind of network infrastructure: Domain Name Service (DNS) and […]

Welcome back! As promised, here’s Part 2 of RIP where we will concentrate on the enhanced Routing Information Protocol, also known as RIP version 2.
Part 1, in case you missed it, focuses on RIP version 1 and includes information on RIP’s operation, drawbacks, configuration, and much more.
If you’re interested in finding more about RIPv1 […]