50 Azure Questions- Must to know

IN TODAY'S EDIT

Interview Q&A:

Basic Azure Interview Questions

1. What is Microsoft Azure?
   Azure is a cloud computing platform offering services like computing, analytics, storage, and networking. It allows users to build, deploy, and manage applications in the cloud.

2. What are the different types of cloud services?

   • IaaS (Infrastructure as a Service)

   • PaaS (Platform as a Service)

   • SaaS (Software as a Service)

3. What are Azure Regions?
   Azure Regions are data centers located globally that host Azure services. Examples include East US, West Europe, and Southeast Asia.

4. What is Resource Group in Azure?
   A Resource Group is a container that holds related resources for an Azure solution. Resources can include virtual machines, storage accounts, and more.

5. What is Azure Resource Manager (ARM)?
   ARM is a management layer that enables users to create, update, and delete Azure resources using templates, APIs, or the Azure Portal.

6. What are Availability Zones in Azure?
   Availability Zones are physically separate data centers within an Azure Region to ensure high availability and resilience.

7. What is the Azure Virtual Network (VNet)?
   Azure VNet is a logical isolation of the Azure cloud dedicated to your subscription for securely running services.

8. What is Azure App Service?
   Azure App Service is a fully managed platform for building and hosting web apps, RESTful APIs, and mobile backends.

9. What are Azure Subscriptions?
   Azure Subscriptions allow access to Azure services. Costs and usage are tied to a subscription, which could be Free, Pay-As-You-Go, or Enterprise Agreement.

10. What is Azure Marketplace?
    Azure Marketplace is an online store offering software and services optimized for Azure.

Intermediate Questions

11. What is the difference between Azure Functions and Logic Apps?

    • Azure Functions: A serverless compute service to run code.

    • Logic Apps: A workflow engine to automate tasks using connectors.

12. What is the Azure Kubernetes Service (AKS)?
    AKS is a managed Kubernetes service for deploying and managing containerized applications.

13. What is Azure Blob Storage?
    Azure Blob Storage is a scalable object storage solution for unstructured data, such as text and binary data.

14. What are the different storage tiers in Azure?

    • Hot Tier: Frequently accessed data

    • Cool Tier: Infrequently accessed data

    • Archive Tier: Rarely accessed data

15. What is Azure SQL Database?
    Azure SQL Database is a managed relational database-as-a-service based on Microsoft SQL Server.

16. What is Azure Active Directory (Azure AD)?
    Azure AD is a cloud-based identity and access management service for managing users and access to applications.

17. What is the difference between Scale-Up and Scale-Out?

    • Scale-Up: Increasing the capacity of existing resources.

    • Scale-Out: Adding more instances of resources.

18. What is Azure Load Balancer?
    Azure Load Balancer is a Layer 4 load balancer that distributes incoming traffic across multiple virtual machines.

19. What is the Azure Data Factory?
    Azure Data Factory is a data integration service for building ETL workflows in the cloud.

20. What is Azure DevOps?
    Azure DevOps is a set of tools for CI/CD pipelines, version control, and agile project management.

Advanced Questions

21. What is Azure Service Fabric?
    Azure Service Fabric is a distributed systems platform for building microservices and managing containers.

22. What is the Azure Cosmos DB?
    Azure Cosmos DB is a globally distributed, multi-model NoSQL database.

23. How does Azure Monitor work?
    Azure Monitor collects and analyzes telemetry data to provide insights into the performance and health of Azure resources.

24. What is Azure Traffic Manager?
    Azure Traffic Manager is a DNS-based traffic load balancer that routes traffic to the nearest Azure region.

25. What is Azure Policy?
    Azure Policy is a governance tool for enforcing rules and compliance at the resource level.

26. What are Azure Blueprints?
    Azure Blueprints provide templates for deploying compliant environments in Azure.

27. What is the difference between Azure Table Storage and Cosmos DB?

    • Azure Table Storage: Key-value store.

    • Cosmos DB: Multi-model database with support for key-value, graph, and document models.

28. What is the Azure Security Center?
    Azure Security Center provides unified security management and advanced threat protection.

29. What is Azure Logic Apps used for?
    Logic Apps are used to automate workflows and integrate systems without writing code.

30. What is the purpose of Azure Application Gateway?
    Azure Application Gateway is a Layer 7 load balancer that includes features like SSL termination and WAF (Web Application Firewall).

Scenario-Based Questions

31. How do you secure an Azure Virtual Machine?

    • Use Network Security Groups (NSGs).

    • Enable Azure Defender.

    • Use Managed Identity for authentication.

32. How does Azure Backup work?
    Azure Backup protects data by taking snapshots and storing them in Recovery Services Vaults.

33. What is the difference between Azure CLI and Azure PowerShell?

    • Azure CLI: Cross-platform command-line interface for managing Azure resources.

    • Azure PowerShell: A set of cmdlets for automation in Windows environments.

34. What is Azure Key Vault?
    Azure Key Vault is a service for securely managing secrets, keys, and certificates.

35. How do you implement disaster recovery in Azure?

    • Use Azure Site Recovery for failover.

    • Implement geo-redundant storage.

36. What is the difference between Azure Advisor and Azure Monitor?

    • Azure Advisor: Provides recommendations to optimize resources.

    • Azure Monitor: Tracks resource performance and activity.

37. What are Azure Managed Disks?
    Managed Disks are storage resources where Azure handles the storage account.

38. What is Azure Event Grid?
    Azure Event Grid is a fully managed event routing service.

39. How do you troubleshoot a failed Azure VM deployment?

    • Check the Activity Log in Azure.

    • Review the error details.

    • Validate the deployment template.

40. What is Azure Bastion?
    Azure Bastion provides secure RDP/SSH connectivity to Azure VMs without exposing public IP addresses.

Expert-Level Questions

41. What is the Azure API Management?
    Azure API Management is a service for publishing, managing, and securing APIs.

42. What is the Azure Container Registry (ACR)?
    ACR is a managed registry for storing and managing container images.

43. What is the use of Azure Data Lake?
    Azure Data Lake is a storage solution optimized for big data analytics.

44. What are Durable Functions in Azure?
    Durable Functions extend Azure Functions by enabling stateful workflows.

45. What is the Azure CLI command to create a Virtual Machine?

    az vm create --resource-group <RG_NAME> --name <VM_NAME> --image <IMAGE> --admin-username <USERNAME>

46. What is a Service Principal in Azure?
    A Service Principal is an identity used by applications or automation tools for Azure access.

47. What is Azure Sentinel?
    Azure Sentinel is a cloud-native SIEM (Security Information and Event Management) service.

48. How do you configure VNet Peering in Azure?

    • Connect two VNets in the same or different regions using the Azure Portal or CLI.

49. What are Azure Logic App Triggers?
    Triggers are conditions that start workflows in Logic Apps, such as HTTP requests or timer events.

50. What is Azure ExpressRoute?
    ExpressRoute provides private connectivity between on-premises networks and Azure.