Many trainees assume that the traditional school, college or university path is the right way even now. Why then is commercial certification becoming more in demand? As demand increases for knowledge about more and more complex technology, industry has had to move to the specialised core-skills learning that the vendors themselves supply - in other words companies like Microsoft, CompTIA, CISCO and Adobe. This usually turns out to involve less time and financial outlay. Typically, the learning just focuses on what's actually required. It's not quite as straightforward as that, but the most important function is always to focus on the exact skills required (including a degree of required background) - without overdoing the detail in all sorts of other things (as universities often do).

If an employer is aware what they're looking for, then they simply need to advertise for the exact skill-set required to meet that need. Commercial syllabuses are all based on the same criteria and aren't allowed to deviate (as academic syllabuses often do).

Following on from 'CCNA', you will find many specialised certifications to choose from. You may choose to get into Wi-Fi, or security, or perhaps actually onto the Cisco Certified Networking Professional (CCNP). It's not a good idea to think about doing the CCNP before you've entirely completed the 'CCNA'. You'd anticipate to be working in a Cisco environment for at least 12 to 24 months (with your 'CCNA' accreditation) prior to getting started to study for the 'CCNP'. However if you have actually been in I.T. for quite a while, & have previously gained a accreditation of equivalent standing to the CCNA (for example whilst in the armed forces) you may be able to move directly onto CCNP. Essentially managers need to be sure that anyone with quite advanced accreditations has also had a suitable level of working experience to go with it.

The question of how to reproduce a 'Cisco' 'environment' to prepare for exams is frequently not addressed. When you're rehearsing for a Microsoft exam, it's possible to put together a few old PCs and you have an actual network to play with. To build a practise 'Cisco' environment though would actually be incredibly costly, because you would have to assemble many more computers, with Commercial technologies & enterprise class routers & data-switches. The answer therefore is to utilise Cisco-approved network simulators & visualisers. These supply an on-screen software-system, that enables you to effectively develop large scale virtual-networks & test them, down to precise router & data switch types, in addition to having the ability to 'interrogate' the packets of data whilst they traverse the network. These are excellent bits of software, & no home-study or self-learning CCNA training program should be considered without one. The hugely respected RouterSim's 'CCNA' Network Visualiser is undoubtedly among the best we've tested, & we combine this in all our 'CCNA' courses.

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