Internetworking (Telecommunication) 98 Examinations 95 Certification 90 Study guides 46 Telecommunications engineers 46 Computer networks 45 Electronic data processing personnel 45 Routers (Computer networks) 17 TCP/IP (Computer network protocol) 13 Software configuration management 9 Telecommunication 6 Internet 5 Problems, exercises, etc 4 Switching systems 4 Computer network architectures 3 Design 3 (Telecommunication) 2 Cold fusion 2 Internet telephony 2 Internetworking 2 Multicasting (Computer networks) 2 Packet switching (Data transmission) 2 Routing protocols (Computer network protocols) 2 Security measures 2 Software 2 Certigfication 1 Cisco Systems, Inc 1 Computer network protocols 1