MCSM (Expert)

Microsoft Certified Solutions Master formally Microsoft Certified Master is the highest level of certification that you can obtain. In order to obtain this certification, you first must obtain the certification is the area you want to master certification. Once you obtain this certification, you can apply to Microsoft for the master certification. Microsoft review your experience in order to determine if you can achieve this certification. This is the hardest certification to get as it not a matter of sitting a test. Microsoft have to believe that you deserve this level of certification.
http://www.microsoft.com/learning/en/us/certification/mcsm.aspx

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