Mykola Chekunov

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

CCNA

Understanding of Cisco Network Devices

Cisco Certified Network Associate Security (CCNA Security)

Understanding Cisco Network Security

Cisco Certified Specialist - Security Core

Cisco Certified Network Professional Security (CCNP Security)

Cisco Certified Specialist - Network Security Firepower

Juniper Networks Certified Associate, Security (JNCIA-SEC)