A giant in the field of technological know-how, Cisco is now the leader of it's industry-sector. From its early inception some 26 years ago, 'Cisco' today pays something like Five billion dollars on research and development, & heads the entire world in networking-hardware. We basically wouldn't have the internet we've got today without 'Cisco'. Cisco supply more than 2/3rds of the network hardware used in our world these days. This automatically places Cisco at the top of the checklist for students aiming to build a professional career in I.T. and Telecommunications hardware networking. Beneath the Cisco 'umbrella' there also are sections in Wi-Fi & Communications-Data, VOIP & 'Security'.

Cisco's primary business is in routers, 'controllers' & data-switches. They are the tools which control the information that flows all around a networking system. Just as an Operating-System is needed in a computer so that it can communicate throughout a network, the actual network hardware also has it's own language and protocols that need to be set up, maintained and configured. For a 'network ' to operate smoothly there has to be constant trouble-shooting, with regular re-programming & re-configuring. 'Cisco' is at the heart of all modern office communications (business & government) as we see the worldwide move towards complete voice and information systems integration.

The question of exactly how to reproduce a 'Cisco' environment to prepare for examinations can often be over-looked. Microsoft students preparing to take their MSCE for example can network a handful of old PCs in their own home to experiment with. To re-create a 'Cisco' environment would be really expensive, as you would really need to put together a lot more PCs, with Commercial technologies and 'enterprise-class' routers and hardware. Cisco authorised 'visualisers' & network simulation programs are the one and only practical option. Such state of the art software systems enable individuals to create sizable networks in a virtual-environment , using on screen options to select particular hardware products and practice interrogation of data-movement. Any self paced home based Cisco training course should include one of these incredible items of software. One of the highest quality systems out there is the 'RouterSim' CCNA Network-Visualiser. As a result of testing this and quite a few others, we're happy to include it in all our Cisco training-paths.

To equip networking professionals with all the skills they require to operate in this area, Cisco offer a large number of training tracks and accreditations. Usually though, almost all people will start at one common point, before they progress on along the increasingly demanding assortment of Cisco certification. There are 2 exams for the Cisco Certified Network Associate, or 'CCNA' for short. These will prepare trainees of the right calibre with the requested technical-expertise to operate medium-sized networks with routers and data-switches.

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