Examinations 77 Certification 76 Electronic data processing personnel 60 Computer networks 58 Computer graphics 54 Operating systems (Computers) 37 Linux 24 Computer animation 23 BASIC (Computer program language) 22 Study guides 20 Microsoft Visual BASIC 18 Microsoft software 18 Database management 17 Internetworking (Telecommunication) 17 Routers (Computer networks) 17 Security measures 17 Microsoft Windows (Computer file) 16 Telecommunications engineers 14 Web sites 14 XML (Document markup language) 14 Computer programs 13 Client/server computing 12 Design 12 Microcomputers 12 Software 12 AutoCAD 11 Data processing 11 Java (Computer program language) 11 Three-dimensional display systems 11 3D studio 10