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Sergey Sakharov
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18 badges
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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 Network Associate Security (CCNA Security)
Cisco
Understanding Cisco Network Security
Cisco
Cisco Certified Specialist - Security Core
Cisco
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)
Cisco
Cisco Certified Network Professional Security (CCNP Security)
Cisco
Cisco Certified Specialist - Security Identity Management Implementation
Cisco
Cisco Certified Specialist - Network Security Firepower
Cisco
Cisco Certified Specialist - Network Security VPN Implementation
Cisco
Cisco Certified Specialist - Web Content Security
Cisco
Huawei Certified ICT Expert - Routing & Switching (HCIE-Routing & Switching)
Huawei
Cisco Certified Specialist - Data Center Operations
Cisco
