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Lei Tian
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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 Routing and Switching (CCNP Routing and Switching)
Cisco
Cisco Certified Network Professional Enterprise (CCNP Enterprise)
Cisco
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco
HashiCorp Certified: Terraform Associate (002)
HashiCorp
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)
Cisco
CX Baseline Training
Cisco
Microsoft Certified: Azure Network Engineer Associate
Microsoft
AWS Certified Advanced Networking – Specialty
Amazon Web Services Training and Certification
Cisco Certified DevNet Associate
Cisco
VMware Certified Professional 6 – Network Virtualization
VMware
DevNet Class of 2020
Cisco
BCS 3.0 Delivery Enablement
Cisco
Developing Applications using Cisco Core Platforms and APIs
Cisco
Implementing Cisco SD-WAN Solutions
Cisco
Architect Green Belt
Cisco