Gustavo Mastroianni

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

CCNA

Understanding of Cisco Network Devices

Certified Information Systems Security Professional (CISSP)

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

Certified Information Security Manager® (CISM)

Cisco Certified Network Associate Security (CCNA Security)

Cisco Certified Design Associate (CCDA)

Understanding Cisco Network Security

GIAC Security Essentials Certification (GSEC)

Cisco Certified Design Professional (CCDP)

Understanding Design for Cisco Internetworking Solutions

Cisco Certified Specialist - Enterprise Design

Cisco Certified Network Associate Wireless (CCNA Wireless)

Understanding Cisco Wireless Network Fundamentals

Cisco Certified Specialist - Service Provider Core

Cisco Certified Specialist - Enterprise Wireless Implementation

Cisco Certified Specialist - Enterprise Wireless Design

Cisco Certified Network Professional Service Provider (CCNP Service Provider)

Cisco Certified Specialist - Service Provider Advanced Routing Implementation

Cisco Certified Network Professional Wireless (CCNP Wireless)

Cisco Certified Specialist - Service Provider VPN Services Implementation