Cisco is amongst the largest technology-companies in the world, and just like MS, it's a market leader. From its humble origins some twenty-six years back, 'Cisco' now invests a figure of Five billion dollars on research & development, and leads everybody in networking hardware. Technological know-how from Cisco underpins the whole web. Cisco produce more than two thirds of the network-hardware employed around the world these days. This instantly puts them at the top of the checklist for trainees planning to build a career in I.T. and Telecommunications hardware-networking. Within the Cisco 'umbrella' there are also sections in 'Wi-Fi' and Communications Data, Voice over IP and 'Security'.

Moving on from 'CCNA', you will find many specialist qualifications to pick from. You could go into wireless technology, or 'Security', or perhaps actually on to your 'Cisco Certified Networking Professional' (CCNP). It isn't advisable to consider taking the CCNP unless you've entirely accomplished your CCNA. Attain the CCNA and work with Cisco networks for a year or two ahead of moving on to a CCNP study program. There are certain exclusions to this advice, mainly if you have worked in the industry for a while, and possess equivalent certification covering a lot of similar skill-base (armed service examinations for example.) In essence, if you're starting off in I.T., no recruiter will be expecting you to have achieved such a high level of accreditation, and may rightly query your real comprehension, if you've not even worked in a 'CCNA' role first.

Many individuals decide to team up the A+, 'Network+' & CCNA track with the Microsoft MCSA or MCSE, to get a more 'rounded' network education. In either case, a conversation about your career path and learning-style, with a skilled industry specialist or advisor, has to be at the front of your sheet of priorities, to ensure you will get off to a great start and avert any expensive mistakes.

Fundamentally, the backbone of 'Cisco' technologies are the company's routers, data switches and controllers. They're the tools which facilitate the data that passes through a network. Just as an 'Operating System' is required in a PC for it to connect across a network, the network hardware itself has its own language & protocols that have to be set-up, configured & maintained. Trouble shooting, on-going re-programming and reconfiguration is necessary to maintain the smooth operating of an expanding network. In all areas of modern-day communications, Cisco is performing a fundamental part. This is to a large degree because of the change towards full system integration of voice & information in both commercial and government office buildings.

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