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Sergey Likhtin
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Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco
CCNA
Cisco
Understanding of Cisco Network Devices
Cisco
Cisco Certified Specialist - Enterprise Core
Cisco
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco
Cisco Certified Network Professional Enterprise (CCNP Enterprise)
Cisco
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco
Cisco Certified Design Associate (CCDA)
Cisco
Cisco Certified Design Professional (CCDP)
Cisco
Understanding Design for Cisco Internetworking Solutions
Cisco
Cisco Certified Specialist - Enterprise Design
Cisco
Cisco Certified Network Associate Wireless (CCNA Wireless)
Cisco
Cisco Certified Specialist - Data Center Core
Cisco
Webex Insider User Group
Cisco
Understanding Cisco Wireless Network Fundamentals
Cisco
HPE Sales Certified - Hybrid Cloud Solutions [2020]
Hewlett Packard Enterprise
HPE Sales Certified - Hybrid IT Solutions [2019]
Hewlett Packard Enterprise
Cisco Certified Network Professional Data Center (CCNP Data Center)
Cisco
Cisco Certified Internetwork Expert Data Center (CCIE Data Center)
Cisco
Cisco Certified Specialist - Data Center Operations
Cisco
Cisco Certified Specialist - Data Center Design
Cisco
Cisco Certified Internetwork Expert Voice (CCIE Voice)
Cisco
