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jianhua zhu
Sensor SE | Logicalis
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Microsoft Certified: Azure Fundamentals
Microsoft
CCNA
Cisco
Cisco Certified Specialist - Enterprise Core
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 Network Associate Wireless (CCNA Wireless)
Cisco
Cisco Certified Specialist - Security Identity Management Implementation
Cisco
Understanding Cisco Wireless Network Fundamentals
Cisco
Cisco Certified Specialist - Enterprise SD-WAN Implementation
Cisco
Cisco Certified Internetwork Expert Security (CCIE Security)
Cisco