Learning paths on MS Learn:
https://docs.microsoft.com/en-us/learn/certifications/exams/az-204#two-ways-to-prepare
Azure Code Samples: https://azure.microsoft.com/en-us/resources/samples/?sort=0
Official Azure Documentation: https://docs.microsoft.com/en-us/azure/
Official Microsoft Azure YouTube Channel https://www.youtube.com/user/windowsazure
Official Microsoft Developer YouTube Channel https://www.youtube.com/channel/UCsMica-v34Irf9KVTh6xx-g
Azure REST API Browser https://docs.microsoft.com/en-us/rest/api/?view=Azure
Microsoft Labs and Workshops - Practice is the key to success Azure Citadel - Labs and Workshops https://azurecitadel.com/
Microsoft Cloud Workshop - More labs and workshops https://microsoftcloudworkshop.com/
Github AZ-204 from Microsoft Training https://microsoftlearning.github.io/AZ-204-DevelopingSolutionsforMicrosoftAzure/