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Richard Dou
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Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco
Cisco Certified Design Associate (CCDA)
Cisco
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)
Cisco
Cisco Certified DevNet Associate
Cisco
Webex Insider User Group
Cisco
DevNet Class of 2020
Cisco
Cisco Certified Internetwork Expert Security (CCIE Security)
Cisco
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure) - Emeritus
Cisco
Developing Applications and Automating Workflows using Cisco Platforms
Cisco
Cisco Certified DevNet Specialist - Core
Cisco
Developing Applications using Cisco Core Platforms and APIs
Cisco
Oracle Cloud Infrastructure Foundations 2021 Certified Associate
Oracle
Cisco Certified Internetwork Expert Security (CCIE Security) - Emeritus
Cisco
