Zeljko Kozina

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

CCNA

Understanding of Cisco Network Devices

Cisco Certified Network Associate Security (CCNA Security)

Cisco Certified Design Associate (CCDA)

Understanding Cisco Network Security

Cisco Certified Specialist - Security Core

Understanding Design for Cisco Internetworking Solutions

Cisco Certified Network Professional Security (CCNP Security)

Cisco Certified Specialist - Enterprise Design

Cisco Certified Specialist - Security Identity Management Implementation

Cisco Certified Specialist - Network Security Firepower

Cisco Certified Specialist - Network Security VPN Implementation

Cisco Certified Specialist - Web Content Security