Roger Chung

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

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

CCNA

Understanding of Cisco Network Devices

Cisco Certified Specialist - Enterprise Core

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

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

Certified SAFe® 5 Practitioner

Cisco Certified Network Professional Enterprise (CCNP Enterprise)

Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation

Certified SAFe® 4 Practitioner

Cisco Certified Design Associate (CCDA)

Cisco Certified Design Associate (CCDA)

Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)

Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)

Cisco Certified Design Professional (CCDP)

Cisco Certified Design Professional (CCDP)

Understanding Design for Cisco Internetworking Solutions

Cisco Certified Specialist - Enterprise Design

Cisco Certified Specialist - Service Provider Core

Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider)

Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider)

Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure) - Emeritus

CCIE Lifetime Emeritus - Enterprise Infrastructure

Cisco Certified Internetwork Expert Service Provider (CCIE Service Provider) - Emeritus

CCIE Lifetime Emeritus - Service Provider