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You'll find dozens, if not hundreds, of IT certifications available to the IT professional. Like all certifications, some matter a bit more than others and some are little more than several letters tacked onto the end of your name.

In case you are considering going in to the wonderful world of IT, it might behoove you to learn which certifications will be the ones which are within the most demand or the most respected so you improve bang for your buck.

Microsoft Certifications

There are few businesses that do not have to cope with Microsoft products at all, making the various Microsoft certifications some of the most critical to have. Microsoft offers a veritable alphabet soup of certifications, each with their own uses. Through the years, many of these certification exams happen to be retired, but some companies with older systems still seek out individuals with the greater obsolete certifications.

Apple Certifications

Not every company uses solely Microsoft products; some companies don't use them at all or use mixed operating systems. To these companies, being certified by Apple can be an important distinction and they're going to be seeking IT professionals with ACSP and/or ACTC certifications at least, and some companies may seek out those that have the more advanced ACSA certifications.

Cisco Certifications

Cisco certifications are among the most popular certifications and come in three flavors, from most basic to most advanced; CCNP, CCNA and CCiE. As you go from most basic to most advanced, the passing requirements and exam costs get higher and higher, but they are excellent certifications to have.

CompTIA Certifications

The vendor-neutral Computing Technology Industry Association offers certifications that provide a blend of experience that may be precisely what a company is searching for in an IT professional. At one time, the CompTIA certifications lasted for a lifetime, but recently that policy has been changed and they must be renewed every three years.

Project Management Professional

IT project managers may make good money, and the Project Management Professional certification is quite well respected and valued. The certification requires some college education and experience as a project manager prior to deciding to will take the test, however.

International Information Systems Security certification training - Imsa Edu blog entry - Consortium

It is a mouthful to say, but businesses that have to cope with security find this certification invaluable. So that you can take the exam, it does require several years' experience in security architecture and design. On top of that, it's much simpler to use the acronym, CISSP, than to say its name each time.

Information Systems Audit and Control Association

ISACA certification is yet another security systems certification, and another certification that needs several years experience within the IT security field before it can be taken. All of the requirements due to this test are offset by the benefits of having this certification, however.

Although certifications are essential, they're not the one thing a potential employer is going to look at, and often real-world experience and a solid work history can really help make up for a lack of certain certifications.

As the workplace becomes less focused upon a particular single vendor, multiple certifications or understanding of a variety of systems is becoming more valuable in today's work environment. Bear in mind, it never hurts to have multiple certifications to improve your value.