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Liu Zeng
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Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
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Cisco Certified Specialist - Security Core
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CX Baseline Training
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ONEx Agile Fundamentals
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Cisco Certified Network Professional Security (CCNP Security)
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DevNet Class of 2020
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Cisco Certified Internetwork Expert Security (CCIE Security)
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Support Services Engineer Green Belt
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Cisco Certified DevNet Specialist - Core
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Cisco Certified DevNet Professional
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Data Science @Cisco Generative AI Green Belt 2024
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Generative AI Collaboration White Belt 2024
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Cisco Certified DevNet Specialist - Security Automation and Programmability
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