Certification Examinations 25 Electronic data processing personnel 23 Computer networks 10 Computer technicians 10 Maintenance and repair 8 Microcomputers 8 Computing Technology Industry Association 7 Computer security 5 Microsoft Windows (Computer file) 3 Microsoft software 3 Security measures 3 Cloud computing 2 Information technology 2 Management 2 Microsoft Office 2 Routing (Computer network management) 2 Switching systems 2 Telecommunication 2 Automatic speech recognition 1 C# (Computer program language) 1 Command languages (Computer science) 1 Computers and IT 1 Electrical & Computer Engineering 1 Electrical Engineering 1 Electronic data processing 1 Engineering & Applied Sciences 1 Examination 1 Linux 1 Microsoft Azure (Computing platform) 1