Certification 16 Examinations 16 Computer networks 15 Electronic data processing personnel 15 Security measures 6 Computer security 4 Management 4 Cisco Systems, Inc 3 Audio-visual equipment 2 Cloud computing 2 Information technology 2 Routing (Computer network management) 2 Switching systems 2 Telecommunication 2 Access control 1 Business enterprises 1 Client/server computing 1 Data transmission systems 1 Electrical & Computer Engineering 1 Engineering & Applied Sciences 1 Firewalls (Computer security) 1 Internetworking (Telecommunication) 1 Telecommunications 1 Telecommunications engineers 1 VMware 1 VMware vSphere 1 Virtual computer systems 1 Wide area networks (Computer networks) 1 Wireless LANs 1 Wireless communication systems 1