By Jason Harry ⋅ April 27, 2010 ⋅ 5 comments
With more and more companies adding wireless to their network infrastructure, the need for skilled wireless professionals has begun to grow. Cisco, being one of the leaders in network innovations, understands this trend and tackles this need with the implementation of the CCNA Wireless certification track. The CCNA Wireless Certification is one of Cisco’s Associate [...]
By Jason Harry ⋅ April 19, 2010 ⋅ 2 comments
Thus far, I’ve written 2 certification guides based on the associate level exams from Cisco: Cisco CCNA Certification Guide Cisco CCNA Security Certification Guide Today, I’ll be continuing with another one of the CCNA concentrations: CCNA Voice. I will follow the same format as in my previous articles, where I provide you with a brief [...]
By Jason Harry ⋅ March 23, 2010 ⋅ 6 comments
Today we will be taking a closer look at another network simulator that can be used by candidates while preparing for their Cisco exams. The Packet Tracer, by Cisco, is a really cool tool for CCNA candidates, but it really can’t be used by candidates who are preparing for their professional and Expert level certs. [...]
By Jason Harry ⋅ January 19, 2010 ⋅ Post a comment
Optimizing Converged Cisco Networks (ONT 642-845) is one of the 4 exams (or 3, depending on the CCNP path you choose) that must be completed in order to obtain your CCNP certificate. The ONT exam is focused more on the Quality of Service (QoS) side of networking, whilst introducing some basic Wireless Local Area Network [...]
By Jason Harry ⋅ January 12, 2010 ⋅ 6 comments
Whether you’re preparing for a Cisco exam or learning new Cisco technology, having actual experience with the devices can really help you better comprehend how the particular product works. Of course, gaining access to Cisco gear isn’t always a practical solution for a number of reasons, main one being cost. This is where network simulators [...]
By Jason Harry ⋅ December 10, 2009 ⋅ Post a comment
Hi everyone! I’m Jason. For those of you that are familiar with my articles here on Train Signal Training, you already know that I’m CCNA certified and I’m currently working on my CCNP. Since I just recently started my journey towards that goal, I figured I might as well share each and every step I [...]
By Jason Harry ⋅ November 30, 2009 ⋅ Post a comment
In my last article, The Complete Cisco CCNA Certification Guide, I outlined the required objectives that the CCENT and CCNA exams cover, along with providing some recommended training to use while preparing for your Cisco exams. Today, I’m going to be focusing on one of the specialty certificates which you may want to get after [...]
By Jason Harry ⋅ October 28, 2009 ⋅ 15 comments
The Cisco Certified Network Associate is widely known and accepted as the entry level certification for professionals wanting to take up a career in networking. It provides professionals with the skills needed to manage small to medium size companies and branch offices, including being able to configure, troubleshoot and maintain Cisco routers and switches. Getting [...]
By Jason Harry ⋅ October 6, 2009 ⋅ Post a comment
Security continues to dominate the IT industry and is one of the most important factors to consider when designing and deploying networks. It is, therefore, imperative that we are able to ascertain and prevent most, if not all, vulnerabilities that may exist. One such weakness is Telnet to which SSH is the alternative. Today we’ll [...]
By Jason Harry ⋅ August 20, 2009 ⋅ One comment
Networks usually consist of a wide range of devices from different vendors that require some means of authenticating users before they are granted access to resources. With that comes the added administrative burden of having to manage all the different accounts on each device. Remote Authentication Dial In User Service (RADIUS), is one means of [...]
