Sergej Barkovski

CCNA

Understanding of Cisco Network Devices

Cisco Certified Specialist - Enterprise Core

Cisco Certified Network Professional Enterprise (CCNP Enterprise)

Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation

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 DevNet Associate

Cisco Certified Specialist - Security Identity Management Implementation

Developing Applications using Cisco Core Platforms and APIs