AZ-900 Azure Fundamentals notes

AZ 900 notes 📝 helps for exam preparations:

  1. Network Security group (NSG) to allow/deny traffic with in Subnet
  2. Azure monitor shows the health of entire Azure Infrastructure but Vinrtual Machine Blade shows health of Virtual Machine(VM) level.
  3. Azure advanced threat protection prevents attacks and threats
  4. Azure advanced Identity protection and Azure privileged Identity management helps Identity protection
  5. Azure public preview does not guarantee any SLA.
  6. Powershell and command prompt used for launching Azure commandline interface
  7. Azure DevOps pipeline is used for build, deploy and test code
  8. Disk attached to VM incur costs apart from VM cost
  9. Azure AD Identity protection uses policies to enforce Multi factor Authentication (MFA)
  10. Azure Identity Management provides access to resources or uses to have to have additional verification or authentication
  11. Azure scale set creates/deploys VMs
  12. Azure load balancer to route traffic to backend/OS level.
  13. Azure web apps to host web apps.
  14. Azure Traffic Manager for DNS based traffic routing
  15. Azure data lake or SQL Datawarehouse is to store large data and for infrequent access needs. PowerBI used to visualize data
  16. Azure AD Basic comes with 99.9% SLA.
  17. Subnet is part of network security
  18. Azure region in middle east is UAE
  19. Germany and China Azure region requires special contracts.
  20. Azure trust center lists the Azure certified standards
  21. Azure service health alerts service issues or region wide down issues.
  22. Azure firewall and threat intelligence block to and from traffic to malicious IP or domains.
  23. DDoS attacks slow down, exhausts or stop app resources
  24. Azure AD connect helps to sync On premises AD and Azure AD
  25. Azure App Service and Azure SQL databases would be supported by PaaS solutions.
  26. To minimize capital and operational expenditure, a private cloud is recommended for an existing on premises infrastructure looking for additional resources
  27. Make sure deploying VMs into two or more AZs to avoid downtime.
  28. Deploying our data centers are Capital expenditure
  29. Azure Resource Manager helps to setup common platform for object deployment to cloud infra and also make sure consistency across Azure infra.
  30. Azure functions supports serverless computing capabilities
  31. Azure firewall controls the traffic to Azure virtual networks
  32. Files service storage solution in Azure is meant for mapped drive.
  33. Azure advisor provides guidance and recommendation on VM costing , improve Azure environment
  34. It is not an option to use Azure cloud shell for Chrome OS for running PowerShell scripts
  35. Fault tolerance is the ability to remain operational without any failure.
  36. Same Azure DDoS protection plan supports Virtual network from multiple subscribers