Alexandr Zaburdyayev

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

Cisco Certified Network Associate Security (CCNA Security)

Cisco Certified Design Associate (CCDA)

Understanding Cisco Network Security

Cisco Certified Specialist - Security Core

Cisco Certified Design Professional (CCDP)

Understanding Design for Cisco Internetworking Solutions

Cisco Certified Specialist - Enterprise Design

Palo Alto Networks Systems Engineer (PSE)- Foundation

Cisco Certified Specialist - Network Security Firepower

Cisco Certified Specialist - Enterprise SD-WAN Implementation

HPE ATP - Hybrid IT Solutions V2

Cisco Collaboration SaaS

HPE ATP - Hybrid IT Solutions V1

Security Architecture for System Engineers

HPE ATP - Hybrid Cloud

Oracle Certified Professional, Java EE 5 Web Component Developer - JPN

Oracle Solaris 11 Installation and Configuration Certified Implementation Specialist

Red Hat Certified Specialist in Ansible Network Automation

Oracle Management Cloud 2017 Certified Implementation Specialist