Computer networks Examinations 13 Certification 10 Electronic data processing personnel 8 Security measures 8 Computer security 6 Computer technicians 4 Computing Technology Industry Association 3 Data protection 2 Information technology 2 Internet 2 Management 2 Routing (Computer network management) 2 Switching systems 2 Telecommunication 2 Automatic speech recognition 1 Cloud computing 1 Coding theory 1 Command languages (Computer science) 1 Computer crimes 1 Computer network architectures 1 Computers and IT 1 Data encryption (Computer science) 1 Design 1 Economic aspects 1 Electrical & Computer Engineering 1 Engineering & Applied Sciences 1 Forecasting 1 History 1 Information networks 1