Dmytro Pogrebniuk

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

CCNA

Palo Alto Networks Systems Engineer (PSE)- Foundation

Cisco Certified Specialist - Collaboration Core

Palo Alto Networks Certified Network Security Administrator

Cisco Certified Network Professional Collaboration (CCNP Collaboration)

Cisco Collaboration SaaS

Cisco Certified Specialist - Collaboration Call Control & Mobility Implementation