Examinations 20 Computer networks 17 Certification 13 Computer security 11 Electronic data processing personnel 11 Security measures 8 Penetration testing (Computer security) 5 Cisco Systems, Inc 4 Computer programming 4 Linux 3 Routing (Computer network management) 3 Cisco IOS 2 Cloud computing 2 Design 2 Development 2 Hacking 2 Python (Computer program language) 2 Amazon Web Services (Firm) 1 Application software 1 Artificial intelligence 1 BGP (Computer network protocol) 1 COBIT (Information technology management standard) 1 Client/server computing 1 Computer algorithms 1 Computer software 1 Computer software developers 1 Data protection 1 Google (Firm) 1 Hackers 1 Information Systems Audit and Control Association 1