Certification 20 Electronic data processing personnel Examinations 16 Computer technicians 8 Computer networks 4 Maintenance and repair 4 Microsoft software 4 Microcomputers 3 Java (Computer program language) 2 Clientserver computing 1 Computer input-output equipment 1 Computer software 1 Computers 1 Computing Technology Industry Association 1 Database management 1 Databases 1 Design 1 Microsoft Windows (Computer file) 1 Programming 1 Relational databases 1 SQL (Computer program language) 1 SQL server 1 Servlets 1 Sun computers 1