Andrey Kravtsov

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

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

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 Design Associate (CCDA)

Cisco Certified Design Associate (CCDA)

Understanding Design for Cisco Internetworking Solutions

Cisco Collaboration SaaS

Huawei Certified ICT Expert - Routing & Switching (HCIE-Routing & Switching)

IBM Certified Specialist - Power Systems Scale-Up Technical Sales

Avaya Aura® Core Components Implement Certified

IBM Certified Sales Specialist - Power Systems with POWER8 V2

IBM Certified Specialist - Storage Technical V1

Avaya Aura® Core Components Support Certified

IBM Certified Technical Sales Specialist - Power Systems with POWER8 Enterprise V2

IBM Certified Specialist - Traditional Workloads Sales V2

Avaya IP Office™ Platform Implement Certified

Avaya IP Office™ Platform Support Certified

IBM Certified Specialist - New Workloads Sales V2

Avaya Aura® Communication Applications Implement Certified

IBM Certified Specialist - Virtualized Storage V1

Avaya Aura® Communication Applications Support Certified

IBM Certified Solution Advisor - Spectrum Software Defined Infrastructure V5

IBM Certified Specialist - Grid Scale Cloud Storage V1

IBM Certified Solution Advisor - Spectrum Computing V1