Microsoft certification

Question

Hi Every one,

                   I planning to do Microsoft Certification,I have one year experience in .Net,But I don't have any idea about certification.So I want to know which certification will be good(am planning to do "Asp.Net Application Certifier" and please guide me which certification will be good) and what is the process for that,with in how many levels we can expect the certification??or Is it one time to get certification and where we can get the  info about syllabus ,please  can any one help me out??