Andre Janssen

Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)

Cisco Certified Specialist - Enterprise Core

Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)

Cisco Certified Design Associate (CCDA)

Cisco Certified Specialist - Security Core

Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)

Cisco Certified Network Professional Security (CCNP Security)

Cisco Certified Specialist - Collaboration Core

Cisco Certified Specialist - Security Identity Management Implementation

Cisco Certified Specialist - Network Security Firepower

Webex Insider User Group

Cisco Certified Specialist - Network Security VPN Implementation

Cisco Certified Specialist - Web Content Security

Implementing and Operating Cisco Enterprise Network Core Technologies