Nikiforos Alkaios Koulouris

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 Enterprise (CCNP Enterprise)

Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation

Cisco Certified Design Associate (CCDA)

Cisco Certified Specialist - Security Core

Cisco Certified Design Professional (CCDP)

Understanding Design for Cisco Internetworking Solutions

Cisco Certified Specialist - Enterprise Design

Cisco Certified Network Associate Wireless (CCNA Wireless)

Cisco Certified Specialist - Data Center Core

Cisco Certified Specialist - Collaboration Core

Webex Insider User Group

Understanding Cisco Wireless Network Fundamentals

Cisco Certified Specialist - Service Provider Core

Cisco Certified Network Professional Data Center (CCNP Data Center)

Cisco Collaboration SaaS

Cisco Collaboration SaaS

Cisco Certified Specialist - Enterprise Wireless Implementation

Cisco Customer Success Manager (CSM) certification

Cisco Certified Specialist - Enterprise Wireless Design

Cisco Certified Specialist - Data Center ACI Implementation

Cisco Certified Network Professional Service Provider (CCNP Service Provider)

Cisco Certified Specialist - Data Center Design

Cisco Certified Specialist - Service Provider Advanced Routing Implementation

Cisco Certified Network Professional Wireless (CCNP Wireless)

Cisco Certified Specialist - Service Provider VPN Services Implementation

Cisco Renewals Manager