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About Kelvin Johnson

Kelvin Johnson has covered a number of certification related articles.

Website: http://trainsignaltraining.com

Posts by Kelvin Johnson:

Microsoft Office Certification - Is it Right for You? (Jun, 2007)
Are You Confused? The Latest IT Certifications from Microsoft (May, 2007)
Windows Server (codename Longhorn) Certification Update (May, 2007)
Certification 101 (Apr, 2007)