Can anyone give me a brief intro the sharepoint certifications.I am mostly into
Planning, deployment and configuration and minimal webpart development and
infopath form programming.But not very certain which certification i can go for
and for how long that particular certificate valid.
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I came to know from a friend of mine that after i do certification it will
retire after a span of time and i might need to upgrade myself again.

I would appreciate if anyone could give some suggestion on the same.