According to the certification name, * * * has five series 17 categories: IT expert series includes: MCTS (Microsoft Certified Technical Engineer), MCITP (Microsoft Certified IT Expert), MCDST (Microsoft Certified Operating System Technical Support Engineer), MCSA (Microsoft Certified System Administrator), MCSE (microsoft certified systems engineer), MCDBA (Microsoft Certified Database Administrator), and MCBA. The series of development experts include: MCPD (Microsoft Certified Development Expert), MCAD (Microsoft Certified Application Development Expert) and MCSD (Microsoft Certified Solution Developer); Advanced certification series includes: MCM (Microsoft Certified Senior Technical Expert) and MCAP (Microsoft Certified Architect Program); Home office users include: MCAS (Microsoft Certified Application Expert) and MOS (Microsoft Office Expert); Trainer series includes: MCLC (Microsoft Certified Learning Consultant) and MCT (Microsoft Certified Lecturer).