Add hands-on study material

README.md

@@ -7,3 +7,12 @@
 4. [Describe General Security and Network Security Features (10-15%)](4-Describe%20General%20Security%20and%20Network%20Security%20Features%20(10-15%25).md)
 5. [Describe Identity, Governance, Privacy, and Compliance Features (15-20%)](5-Describe%20Identity,%20Governance,%20Privacy,%20and%20Compliance%20Features%20(15-20%25).md)
 6. [Describe Azure Cost Management and Service Level Agreements (10-15%)](6-Describe%20Azure%20Cost%20Management%20and%20Service%20Level%20Agreements%20(10-15%25).md)
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+## Hands-on study material at Microsoft Learn
+
+* [Describe core Azure concepts](https://docs.microsoft.com/en-us/learn/paths/az-900-describe-cloud-concepts)
+* [Describe core Azure services](https://docs.microsoft.com/en-us/learn/paths/az-900-describe-core-azure-services)
+* [Describe core solutions and management tools on Azure](https://docs.microsoft.com/en-us/learn/paths/az-900-describe-core-solutions-management-tools-azure)
+* [Describe general security and network security features](https://docs.microsoft.com/en-us/learn/paths/az-900-describe-general-security-network-security-features)
+* [Describe identity, governance, privacy, and compliance features](https://docs.microsoft.com/en-us/learn/paths/az-900-describe-identity-governance-privacy-compliance-features)
+* [Describe Azure cost management and service level agreements](https://docs.microsoft.com/en-us/learn/paths/az-900-describe-azure-cost-management-service-level-agreements)