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Free OpenEdx courses: https://openedx.microsoft.com/
Certification Exams: https://azure.microsoft.com/en-us/learn/skills/
IT Pro Cloud Essentials: https://www.microsoft.com/itprocloudessentials/en-US
Links to large variety of resources: https://azure.microsoft.com/en-us/community/training/
Microsoft Virtual Academy: https://mva.microsoft.com/product-training/microsoft-azure#!lang=1033
Azure Time Bounded "LEARN" Challenges
- AZ900 Cloud Skills Challenge ( by state / university ) Azure Hour Cloud Skills Challenge AZ900 (New York) - March 30 day challenge
Other Self-paced Training Opportunities
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