Electronic data processing personnel Certification 4 Computer networks 2 Examinations 2 Java (Computer program language) 2 Computer Programmers 1 Computer security 1 Computer technical support 1 Computer technicians 1 IT infrastructure library 1 Information technology 1 Management 1 Management information systems 1 Security measures 1 Servlets 1 Software engineering 1 Sun computers 1 Support services (Management) 1