'Cisco' is amongst the biggest technology companies on this planet, and just like Microsoft, it's a market-leader. Initially set up in 1984, at the beginning of the Silicon Valley IT explosion, 'Cisco' has grown to be the world-wide front-runner within networking-hardware, investing some Five Billion US Dollars a year on R & D. The world wide web, its said, performs because of Cisco engineering. It is predicted that over seventy per cent of all worldwide network hardware is represented by the 'Cisco' brand. This instantly places them at the top of the checklist for students looking to develop a career in I.T. and Telecommunications hardware-networking. Cisco also owns various trading arms which automatically permeate the Security, Voice Over IP (VOIP) Communications and Wireless Data (or Wi-Fi) areas - as they start to gain more commercial relevance.

Following on from the 'CCNA', accreditation routes are quite diverse & might incorporate a specialisation in Security or Wireless areas, or you might take a look at progressing to the CCNP (Cisco Certified Networking Professional.) The step up from CCNA to CCNP is pretty significant, so it's recommended to concentrate on finishing the 'CCNA' first. Achieve your CCNA and get a job with 'Cisco' networks for 12 to 24 months prior to moving on to any kind of 'CCNP' study program. The only exemption from this would be when you have several years of networking practical experience already & have dealt with much of the very same ground as the 'CCNA' certification. Fundamentally managers will demand that a candidate with very senior accreditations has had an appropriate amount of working experience to match them.

One area that's frequently over-looked when studying for Cisco examinations is exactly how to simulate the Cisco environment. When you're practicing for a MS examination, you can assemble some old PC's & have an actual networked system to play with. This isn't possible in a 'Cisco' environment, because you would require enterprise-class routers and hardware, to say nothing of a big cluster of PCs and other highly expensive technologies. Cisco approved visualisers and network simulation programs are the one and only practicable way to do it. Allowing you to practice 'on-screen', these types of software systems give you the facility to build and test virtual-networks. You work with particular routers and switches, & can even interrogate information as it traverses through the network system. These really are superb bits of software, & no home study or self-learning 'CCNA' package should be considered without one. The extremely well respected RouterSim's 'CCNA' Network Visualiser is without doubt among the best we've tried, and we include it in all our CCNA courses.

'controllers', 'routers' & data switches are mainly what Cisco technology is based on. Without these types of tools, data would be unable to move all around networking systems. Just as an Operating System is needed in a PC so that it can communicate across a network, the network hardware also has its own language & standards that need to be set up, maintained and configured. For a network to run smoothly there needs to be on-going trouble-shooting, with frequent reprogramming and re-configuring. In all areas of modern-day communications, 'Cisco' is enjoying a key role. This is to a large degree due to the change towards complete system-integration of voice & data both in commercial and government office buildings.

The 2 examinations are 640/802, and they can be split up as follows - 'Interconnecting Cisco Networking Devices' Part 1 & Part 2, or ICND1 (640/822) & ICND2 (640-816). Another name for Part 1 is 'Cisco Certified Entry Networking Technician' or CCENT for short. Each of these acronyms don't help to simplify matters for the student getting in to I.T., however the most straightforward bit of advice is generally to consider the CCNA 640/802 as a combined certification. 'Cisco' trainees should find it extremely beneficial to start their training course with the 'CompTIA' qualifications A+ & 'Network+' . That will provide them with excellent vendor neutral training before entering in to the 'Cisco' field itself. Count on putting in around 400-500 hours of study (approx twelve months part-time) to finish a course of this nature. Technical IT training courses should provide solid professional support. Be sure you opt for one with round-the-clock, immediate response provision. Look also for some of the most up-to-date multimedia study materials, & the right exam preparation software.

Little wonder then that a substantial variety of qualification tracks have been designed by Cisco to cover the myriad of patents & technologies it provides. Students are often recommended to start with the same accreditation course, and then branch into specialist sectors as they progress. Presently there are two exams for the 'Cisco Certified Network Associate', or 'CCNA' for short. These will prepare students who are suitable with the recommended technical-expertise to control medium sized networks with routers and data-switches.

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