Certification 23 Electronic data processing personnel Examinations 21 Computer networks 8 Computer technicians 6 Maintenance and repair 5 Microcomputers 5 Computer security 4 Computing Technology Industry Association 4 Microsoft Windows (Computer file) 3 Microsoft software 3 Cloud computing 2 Information technology 2 Management 2 Microsoft Office 2 Routing (Computer network management) 2 Security measures 2 Switching systems 2 Telecommunication 2 Automatic speech recognition 1 C# (Computer program language) 1 Command languages (Computer science) 1 Electronic data processing 1 Examination 1 Linux 1 Microsoft Azure (Computing platform) 1 Microsoft Windows server 1 Operating systems (Computers) 1 Penetration testing (Computer security) 1 Red Hat, Inc 1