Here is a list of links that you might find useful when studying for your Azure exams. Feel free to create a pull request to add more.

Skyline Academy:
https://courses.skylinesacademy.com/p/microsoft-az-300-certification-azure-architect-technologies

Scott Duffy:
https://www.udemy.com/course/70534-azure/

Below you will find a list of free resources from Microsoft on their Microsoft Learn site.

Architect great solutions in Azure
https://docs.microsoft.com/learn/paths/architect-great-solutions-in-azure?WT.mc_id=AZ-MVP-5003450

Architect network infrastructure in Azure
https://docs.microsoft.com/learn/paths/architect-network-infrastructure?WT.mc_id=AZ-MVP-5003450

Architect a data platform in Azure
https://docs.microsoft.com/learn/paths/architect-data-platform?WT.mc_id=AZ-MVP-5003450

Architect storage infrastructure in Azure
https://docs.microsoft.com/learn/paths/architect-storage-infrastructure?WT.mc_id=AZ-MVP-5003450

Architect compute infrastructure in Azure
https://docs.microsoft.com/learn/paths/architect-compute-infrastructure?WT.mc_id=AZ-MVP-5003450

Architect infrastructure operations in Azure
https://docs.microsoft.com/learn/paths/architect-infrastructure-operations?WT.mc_id=AZ-MVP-5003450

Architect migration, business continuity, and disaster recovery in Azure
https://docs.microsoft.com/learn/paths/architect-migration-bcdr?WT.mc_id=AZ-MVP-5003450

Architect modern applications in Azure
https://docs.microsoft.com/learn/paths/architect-modern-apps?WT.mc_id=AZ-MVP-5003450

Architect secure infrastructure in Azure
https://docs.microsoft.com/learn/paths/architect-secure-infrastructure?WT.mc_id=AZ-MVP-5003450

https://docs.microsoft.com/en-us/learn/certifications/exams/az-303?WT.mc_id=AZ-MVP-5003450

Monitor security
https://docs.microsoft.com/en-us/azure/security-center/security-center-monitoring?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/security/benchmarks/security-control-logging-monitoring?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/security/fundamentals/infrastructure-monitoring?WT.mc_id=AZ-MVP-5003450

Monitor performance

Configure diagnostic settings on resources
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/diagnostic-settings?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/azure-monitor/platform/diagnostic-settings-template?WT.mc_id=AZ-MVP-5003450

Create a performance baseline for resources
https://docs.microsoft.com/en-us/rest/api/monitor/metricbaseline/get?WT.mc_id=AZ-MVP-5003450

Monitor for unused resources
https://docs.microsoft.com/en-us/azure/azure-monitor/overview?WT.mc_id=AZ-MVP-5003450

Monitor performance capacity
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/workbooks-overview?WT.mc_id=AZ-MVP-5003450

Visualize diagnostics data using Azure Monitor
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/workbooks-visualizations?WT.mc_id=AZ-MVP-5003450

Monitor health and availability

Monitor networking
https://docs.microsoft.com/en-us/azure/azure-monitor/insights/network-insights-overview?WT.mc_id=AZ-MVP-5003450

Monitor service health
https://azure.microsoft.com/en-us/features/service-health?WT.mc_id=AZ-MVP-5003450

Monitor cost

Monitor spend
https://docs.microsoft.com/en-us/azure/architecture/framework/cost/monitoring?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/cost-management-billing/costs/cost-mgt-alerts-monitor-usage-spending?WT.mc_id=AZ-MVP-5003450

Report on spend
https://docs.microsoft.com/en-us/azure/cost-management-billing/manage/download-azure-invoice-daily-usage-date?WT.mc_id=AZ-MVP-5003450

Configure advanced logging

Implement and configure Azure Monitor insights, including App Insights, Networks, Containers
https://docs.microsoft.com/en-us/azure/azure-monitor/app/app-insights-overview?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/azure-monitor/insights/insights-overview?WT.mc_id=AZ-MVP-5003450

Configure a Log Analytics workspace
https://docs.microsoft.com/en-us/azure/azure-monitor/learn/quick-create-workspace?WT.mc_id=AZ-MVP-5003450

configure logging for workloads
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/data-platform-logs?WT.mc_id=AZ-MVP-5003450

Initiate automated responses by using Action Groups
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/action-groups?WT.mc_id=AZ-MVP-5003450

Configure and manage advanced alerts

Collect alerts and metrics across multiple subscriptions
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/alerts-managing-alert-instances?WT.mc_id=AZ-MVP-5003450

View Alerts in Azure Monitor logs
https://docs.microsoft.com/en-us/azure/azure-monitor/platform/alerts-overview?WT.mc_id=AZ-MVP-5003450

Select storage account options based on a use case
https://docs.microsoft.com/en-us/azure/storage/common/storage-account-overview?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/storage/common/storage-introduction?WT.mc_id=AZ-MVP-5003450

Configure Azure Files and blob storage
https://docs.microsoft.com/en-us/azure/storage/files/storage-how-to-create-file-share?WT.mc_id=AZ-MVP-5003450
https://docs.microsoft.com/en-us/azure/storage/blobs/storage-quickstart-blobs-portal?WT.mc_id=AZ-MVP-5003450

Configure network access to the storage account
https://docs.microsoft.com/en-us/azure/storage/common/storage-network-security?WT.mc_id=AZ-MVP-5003450

Implement Shared Access Signatures and access policies
https://docs.microsoft.com/en-us/rest/api/storageservices/delegate-access-with-shared-access-signature?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/storage/common/storage-sas-overview?WT.mc_id=AZ-MVP-5003450

Implement Azure AD authentication for storage
https://docs.microsoft.com/en-us/azure/storage/common/storage-auth-aad?WT.mc_id=AZ-MVP-5003450

Manage access keys
https://docs.microsoft.com/en-us/azure/storage/common/storage-account-manage?WT.mc_id=AZ-MVP-5003450

Implement Azure storage replication
https://docs.microsoft.com/en-us/azure/storage/common/storage-redundancy?WT.mc_id=AZ-MVP-5003450

Implement Azure storage account failover
https://docs.microsoft.com/en-us/azure/storage/common/storage-initiate-account-failover?WT.mc_id=AZ-MVP-5003450

Configure High Availability
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/tutorial-availability-sets?WT.mc_id=AZ-MVP-5003450

Configure storage for VMs
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/attach-managed-disk-portal?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/virtual-machines/windows/attach-disk-ps?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/virtual-machines/windows/disks-types?WT.mc_id=AZ-MVP-5003450

Select virtual machine size
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sizes?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/virtual-machines/linux/sizes?WT.mc_id=AZ-MVP-5003450

Implement Azure Dedicated Hosts
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/dedicated-hosts-portal?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/virtual-machines/windows/dedicated-hosts?WT.mc_id=AZ-MVP-5003450

Deploy and configure scale sets
https://docs.microsoft.com/en-us/azure/virtual-machine-scale-sets/quick-create-portal?WT.mc_id=AZ-MVP-5003450

Configure Azure Disk Encryption
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/disk-encryption-overview?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/virtual-machines/linux/disk-encryption-overview?WT.mc_id=AZ-MVP-5003450

Save a deployment as an Azure Resource Manager template
https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/export-template-portal?WT.mc_id=AZ-MVP-5003450

Modify Azure Resource Manager template
https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/template-tutorial-create-first-template?tabs=azure-powershell?WT.mc_id=AZ-MVP-5003450

Evaluate location of new resources
https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/conditional-resource-deployment?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/resource-location?WT.mc_id=AZ-MVP-5003450

Configure a virtual disk template
https://docs.microsoft.com/en-us/azure/marketplace/cloud-partner-portal/virtual-machine/cpp-deploy-json-template?WT.mc_id=AZ-MVP-5003450

Deploy from a template
https://docs.microsoft.com/en-us/azure/azure-resource-manager/templates/quickstart-create-templates-use-the-portal?WT.mc_id=AZ-MVP-5003450

Manage a template library
https://bentaylor.work/2016/05/azure-arm-template-library/?WT.mc_id=AZ-MVP-5003450

Create and execute an automation runbook
https://docs.microsoft.com/en-us/azure/automation/automation-quickstart-create-runbook?WT.mc_id=AZ-MVP-5003450

Implement VNet to VNet connections
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-howto-vnet-vnet-resource-manager-portal?WT.mc_id=AZ-MVP-5003450

Implement VNet peering
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-manage-peering?WT.mc_id=AZ-MVP-5003450

Add custom domains
https://docs.microsoft.com/en-us/azure/active-directory/fundamentals/add-custom-domain?WT.mc_id=AZ-MVP-5003450

Configure Azure AD Identity Protection
https://docs.microsoft.com/en-us/azure/active-directory/identity-protection/overview-identity-protection?WT.mc_id=AZ-MVP-5003450

Implement self-service password reset
https://docs.microsoft.com/en-us/azure/active-directory/authentication/howto-sspr-deployment?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-sspr-howitworks?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-sspr-licensing?WT.mc_id=AZ-MVP-5003450

Implement Conditional Access including MFA
https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/howto-conditional-access-policy-all-users-mfa?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/howto-conditional-access-policy-risk?WT.mc_id=AZ-MVP-5003450

Configure user accounts for MFA
https://docs.microsoft.com/en-us/azure/active-directory/authentication/tutorial-enable-azure-mfa?WT.mc_id=AZ-MVP-5003450

Configure fraud alerts
https://docs.microsoft.com/en-us/azure/active-directory/authentication/howto-mfa-reporting?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/active-directory/authentication/howto-mfa-mfasettings?WT.mc_id=AZ-MVP-5003450

Configure bypass options
https://docs.microsoft.com/en-us/azure/active-directory/authentication/howto-mfa-mfasettings?WT.mc_id=AZ-MVP-5003450

Configure Trusted IPs
https://docs.microsoft.com/en-us/azure/active-directory/reports-monitoring/quickstart-configure-named-locations?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/location-condition?WT.mc_id=AZ-MVP-5003450

Configure verification methods
https://docs.microsoft.com/en-us/azure/active-directory/user-help/multi-factor-authentication-end-user-manage-settings?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/active-directory/user-help/multi-factor-authentication-end-user-first-time?WT.mc_id=AZ-MVP-5003450

Implement and manage guest accounts
https://docs.microsoft.com/en-us/azure/active-directory/b2b/what-is-b2b?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/active-directory/governance/manage-guest-access-with-access-reviews?WT.mc_id=AZ-MVP-5003450 https://docs.microsoft.com/en-us/azure/active-directory/b2b/b2b-quickstart-add-guest-users-portal?WT.mc_id=AZ-MVP-5003450

Manage multiple directories
https://docs.microsoft.com/en-us/azure/active-directory/users-groups-roles/licensing-directory-independence?WT.mc_id=AZ-MVP-5003450

Install and configure Azure AD Connect
https://docs.microsoft.com/en-us/azure/active-directory/hybrid/how-to-connect-install-express?WT.mc_id=AZ-MVP-5003450

Identity synchronization options
https://docs.microsoft.com/en-us/azure/active-directory/hybrid/how-to-connect-sync-whatis?WT.mc_id=AZ-MVP-5003450

Configure and manage password sync and password writeback
https://docs.microsoft.com/en-us/azure/active-directory/authentication/tutorial-enable-sspr-writeback?WT.mc_id=AZ-MVP-5003450

Configure single sign-on
https://docs.microsoft.com/en-us/azure/active-directory/manage-apps/configure-single-sign-on-non-gallery-applications?WT.mc_id=AZ-MVP-5003450

Use Azure AD Connect Health
https://docs.microsoft.com/bs-latn-ba/azure/active-directory/hybrid/whatis-azure-ad-connect?WT.mc_id=AZ-MVP-5003450

Migrate workloads using Azure Migrate Assess infrastructure
https://docs.microsoft.com/en-gb/azure/migrate/migrate-services-overview?WT.mc_id=AZ-MVP-5003450

Select a migration method
https://azure.microsoft.com/en-gb/migration/migration-journey/#migrate?WT.mc_id=AZ-MVP-5003450

Prepare the on-premises for migration
https://docs.microsoft.com/en-us/azure/site-recovery/migrate-tutorial-on-premises-azure?WT.mc_id=AZ-MVP-5003450

Recommend target infrastructure
https://azure.microsoft.com/en-gb/blog/identify-your-move-groups-and-target-sizes-for-migration-with-azure-migrate/?WT.mc_id=AZ-MVP-5003450

Implement Azure Backup for VMs
https://docs.microsoft.com/en-us/azure/backup/backup-azure-vms-first-look-arm?WT.mc_id=AZ-MVP-5003450

Implement disaster recovery
https://azure.microsoft.com/en-gb/services/site-recovery/?WT.mc_id=AZ-MVP-5003450

Implement Azure Update Management
https://docs.microsoft.com/en-us/azure/automation/automation-update-management?WT.mc_id=AZ-MVP-5003450

Implement Azure Load Balancer
https://docs.microsoft.com/en-us/azure/load-balancer/load-balancer-overview?WT.mc_id=AZ-MVP-5003450

Implement an application gateway
https://docs.microsoft.com/en-us/azure/application-gateway/quick-create-portal?WT.mc_id=AZ-MVP-5003450

Implement a Web Application Firewall
https://docs.microsoft.com/en-us/azure/web-application-firewall/ag/ag-overview?WT.mc_id=AZ-MVP-5003450

Implement Azure Firewall
https://docs.microsoft.com/en-us/azure/firewall/tutorial-firewall-deploy-portal?WT.mc_id=AZ-MVP-5003450

Implement the Azure Front Door Service
https://docs.microsoft.com/en-us/azure/frontdoor/quickstart-create-front-door?WT.mc_id=AZ-MVP-5003450

Implement Azure Traffic Manager
https://docs.microsoft.com/en-us/azure/traffic-manager/quickstart-create-traffic-manager-profile?WT.mc_id=AZ-MVP-5003450

Implement Network Security Groups and Application Security Groups
https://docs.microsoft.com/en-us/azure/virtual-network/security-overview?WT.mc_id=AZ-MVP-5003450

Implement Bastion
https://docs.microsoft.com/en-us/azure/bastion/bastion-create-host-portal?WT.mc_id=AZ-MVP-5003450

Create and manage hierarchical structure that contains management groups, subscriptions and resource groups
https://docs.microsoft.com/en-us/azure/governance/management-groups/overview?WT.mc_id=AZ-MVP-5003450

Assign RBAC roles
https://docs.microsoft.com/en-us/azure/role-based-access-control/role-assignments-portal?WT.mc_id=AZ-MVP-5003450

Create a custom RBAC role
https://docs.microsoft.com/en-us/azure/role-based-access-control/tutorial-custom-role-powershell?WT.mc_id=AZ-MVP-5003450

Configure access to Azure resources by assigning roles
https://docs.microsoft.com/en-us/azure/role-based-access-control/role-assignments-portal?WT.mc_id=AZ-MVP-5003450

Configure management access to Azure
https://docs.microsoft.com/en-us/azure/role-based-access-control/conditional-access-azure-management?WT.mc_id=AZ-MVP-5003450

Interpret effective permissions
https://docs.microsoft.com/en-us/azure/role-based-access-control/overview?WT.mc_id=AZ-MVP-5003450

Set up and perform an access review
https://docs.microsoft.com/en-us/azure/active-directory/governance/create-access-review?WT.mc_id=AZ-MVP-5003450

Implement and configure an Azure Policy
https://docs.microsoft.com/en-us/azure/governance/policy/tutorials/create-and-manage?WT.mc_id=AZ-MVP-5003450

Implement and configure an Azure Blueprint
https://docs.microsoft.com/en-us/azure/governance/blueprints/create-blueprint-portal?WT.mc_id=AZ-MVP-5003450

Implement and configure KeyVault
https://docs.microsoft.com/en-us/azure/key-vault/quick-create-portal?WT.mc_id=AZ-MVP-5003450

Implement and configure Azure AD Managed Identities
https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/qs-configure-portal-windows-vm?WT.mc_id=AZ-MVP-5003450

Register and manage applications in Azure AD
https://docs.microsoft.com/en-us/azure/active-directory/manage-apps/what-is-application-management?WT.mc_id=AZ-MVP-5003450

Create and configure Azure App Service
https://docs.microsoft.com/en-us/azure/app-service/app-service-web-get-started-dotnet?WT.mc_id=AZ-MVP-5003450

Create an App Service Web App for Containers
https://docs.microsoft.com/en-us/azure/app-service/containers/quickstart-docker?WT.mc_id=AZ-MVP-5003450

Create and configure an App Service plan
https://docs.microsoft.com/en-us/azure/app-service/app-service-plan-manage?WT.mc_id=AZ-MVP-5003450

Configure an App Service
https://docs.microsoft.com/en-us/azure/app-service/configure-common?WT.mc_id=AZ-MVP-5003450

Configure networking for an App Service
https://docs.microsoft.com/en-us/azure/app-service/networking-features?WT.mc_id=AZ-MVP-5003450

Create and manage deployment slots
https://docs.microsoft.com/en-us/azure/app-service/deploy-staging-slots?WT.mc_id=AZ-MVP-5003450

Implement Logic Apps
https://docs.microsoft.com/en-us/azure/logic-apps/quickstart-create-first-logic-app-workflow?WT.mc_id=AZ-MVP-5003450

Implement Azure Functions
https://docs.microsoft.com/en-us/azure/azure-functions/functions-create-first-azure-function?WT.mc_id=AZ-MVP-5003450

Create a container image
https://docs.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-quick-task?WT.mc_id=AZ-MVP-5003450

Configure Azure Kubernetes Service
https://docs.microsoft.com/en-us/azure/aks/kubernetes-walkthrough-portal?WT.mc_id=AZ-MVP-5003450

Publish and automate image deployment to the Azure Container Registry
https://docs.microsoft.com/en-us/azure/container-registry/?WT.mc_id=AZ-MVP-5003450

Publish a solution on an Azure Container Instance
https://docs.microsoft.com/en-us/azure/container-instances/container-instances-quickstart?WT.mc_id=AZ-MVP-5003450

Configure storage account tables
https://docs.microsoft.com/en-us/azure/storage/tables/table-storage-overview?WT.mc_id=AZ-MVP-5003450

Select appropriate CosmosDB APIs
https://docs.microsoft.com/en-us/azure/cosmos-db/table-introduction?WT.mc_id=AZ-MVP-5003450

Set up replicas in CosmosDB
https://docs.microsoft.com/en-us/azure/cosmos-db/high-availability?WT.mc_id=AZ-MVP-5003450

Configure Azure SQL database settings
https://docs.microsoft.com/en-us/azure/sql-database/sql-database-howto-single-database?WT.mc_id=AZ-MVP-5003450

Implement Azure SQL Database managed instances
https://docs.microsoft.com/en-us/azure/sql-database/sql-database-managed-instance-get-started?WT.mc_id=AZ-MVP-5003450

Configure HA for an Azure SQL database
https://docs.microsoft.com/en-us/azure/sql-database/sql-database-high-availability?WT.mc_id=AZ-MVP-5003450

Publish an Azure SQL database
https://docs.microsoft.com/en-us/azure/app-service/app-service-web-tutorial-dotnet-sqldatabase?WT.mc_id=AZ-MVP-5003450