Bincong Lin

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

Cisco Certified Specialist - Collaboration Core

Cisco Certified Network Professional Collaboration (CCNP Collaboration)

Cisco Certified Network Professional Collaboration (CCNP Collaboration)

Cisco Certified Network Associate Collaboration (CCNA Collaboration)

Cisco Certified Specialist - Collaboration Applications Implementation

Cisco Renewals Manager