Byung Min Choi

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 Network Associate Security (CCNA Security)

Understanding Cisco Network Security

Cisco Certified Specialist - Security Core

Cisco Certified Network Professional Security (CCNP Security)

Cisco Certified Network Professional Security (CCNP Security)

Cisco Certified Specialist - Security Identity Management Implementation

Cisco Certified Specialist - Network Security Firepower

Introduction to Cisco Sales

Cisco Certified Specialist - Network Security VPN Implementation

Cisco Certified Specialist - Web Content Security

Cisco Customer Success Manager (CSM) certification

Security Architecture for System Engineers

Security Architecture for Account Managers