50 Azure Interview Questions and Answers 2026

Quick Answer: These are the 50 most-asked Microsoft Azure interview questions and answers for 2026 — core services (VMs, Storage, Networking, Entra ID), databases, containers (AKS), security, and high availability. Concise, interview-ready answers for cloud and DevOps roles.

Azure Fundamentals

1. What is Microsoft Azure?
   Microsoft’s cloud platform offering compute, storage, networking, databases, and 200+ managed services on a pay-as-you-go basis.
2. What is a Region and Availability Zone?
   A Region is a geographic set of data centers; Availability Zones are physically separate zones within a Region for high availability.
3. What is a Resource Group?
   A logical container that holds related Azure resources for management and access control.
4. What is Azure Resource Manager (ARM)?
   The deployment and management layer for creating, updating, and deleting Azure resources.
5. What are the Azure service models?
   IaaS, PaaS, and SaaS — increasing levels of managed abstraction.
6. What is a subscription?
   A billing and access boundary that groups resources under an account.

Compute

7. What is an Azure Virtual Machine?
   An on-demand, scalable IaaS compute resource running Windows or Linux.
8. What is a VM Scale Set?
   A group of identical, load-balanced VMs that can auto-scale.
9. What is Azure App Service?
   A managed PaaS for hosting web apps, APIs, and mobile backends.
10. What are Azure Functions?
    Serverless compute that runs event-driven code without managing infrastructure.
11. What is AKS?
    Azure Kubernetes Service — managed Kubernetes for running containers.
12. What are Container Instances (ACI)?
    A serverless way to run single containers without managing servers.

Storage & Databases

13. What are the Azure Storage types?
    Blob, File, Queue, and Table storage.
14. What is Blob Storage?
    Object storage for unstructured data like images, backups, and logs.
15. What are the Blob access tiers?
    Hot, Cool, Cold, and Archive — trading cost for access frequency.
16. What is Azure SQL Database?
    A managed relational database service based on SQL Server.
17. What is Azure Cosmos DB?
    A globally distributed, multi-model NoSQL database with low latency.
18. What are redundancy options (LRS, ZRS, GRS)?
    Locally, zone, and geo-redundant storage replication for durability.

Networking

19. What is a Virtual Network (VNet)?
    An isolated network in Azure for securely connecting resources.
20. What is a Network Security Group (NSG)?
    A set of inbound/outbound rules controlling traffic to resources.
21. What is VNet Peering?
    Connecting two VNets so resources communicate privately.
22. What is Azure Load Balancer vs Application Gateway?
    Load Balancer works at layer 4 (TCP/UDP); Application Gateway at layer 7 (HTTP) with WAF and routing.
23. What is Azure DNS?
    A hosting service for DNS domains using Azure infrastructure.
24. What is a VPN Gateway vs ExpressRoute?
    VPN Gateway connects over the internet; ExpressRoute provides a private dedicated connection.

Identity & Security

25. What is Microsoft Entra ID?
    Azure’s cloud identity and access management service (formerly Azure Active Directory).
26. What is RBAC in Azure?
    Role-Based Access Control assigning roles like Owner, Contributor, and Reader at defined scopes.
27. What is a Managed Identity?
    An automatically managed identity for Azure resources to access services without credentials in code.
28. What is Azure Key Vault?
    A service to securely store secrets, keys, and certificates.
29. What is Conditional Access?
    Policies that enforce access controls (e.g., MFA) based on conditions.
30. What is Microsoft Defender for Cloud?
    A tool for security posture management and threat protection across resources.

Monitoring, IaC & Scenarios

31. What is Azure Monitor?
    A platform for collecting and analyzing metrics, logs, and alerts.
32. What is Application Insights?
    An APM service for monitoring app performance and usage.
33. What is Log Analytics?
    A tool to query and analyze log data using KQL.
34. What are ARM templates and Bicep?
    IaC options for Azure — ARM is JSON, Bicep is a cleaner DSL that compiles to ARM.
35. Can you use Terraform with Azure?
    Yes — the AzureRM provider manages Azure resources. See our Terraform guide.
36. How do you achieve high availability in Azure?
    Use Availability Zones, scale sets, load balancers, and geo-redundancy.
37. What is an Availability Set?
    Groups VMs across fault and update domains to avoid single points of failure.
38. What is Azure Site Recovery?
    A disaster recovery service that replicates workloads to another region.
39. What is autoscaling in Azure?
    Automatically adjusting resources (e.g., scale sets, App Service) based on demand.
40. How do you control Azure costs?
    Use Cost Management, budgets, reservations, right-sizing, and auto-shutdown.
41. What is a deployment slot?
    A staging environment in App Service you can swap into production with zero downtime.
42. What is Azure Service Bus?
    A managed enterprise message broker for decoupling applications.
43. What is Event Grid vs Event Hubs?
    Event Grid routes discrete events; Event Hubs ingests large streaming data.
44. What is the Azure Well-Architected Framework?
    Five pillars: Reliability, Security, Cost Optimization, Operational Excellence, and Performance Efficiency.
45. How do you deploy containers to AKS?
    Push images to Azure Container Registry, then apply manifests/Helm to the cluster.
46. What is Azure DevOps?
    A suite for CI/CD and ALM — Repos, Pipelines, Boards, Artifacts. See our Azure DevOps interview guide.
47. What is the difference between Azure and Azure DevOps?
    Azure is the cloud platform; Azure DevOps is the toolset for building and shipping software.
48. How do you migrate on-prem workloads to Azure?
    Use Azure Migrate to assess and move VMs, databases, and apps.
49. What is a Storage Account?
    A container providing a namespace for all your Azure Storage data objects.
50. How do you secure a multi-subscription environment?
    Use Management Groups, Azure Policy, RBAC, and centralized monitoring.

Frequently Asked Questions

Are these Azure questions for AZ-900 or for DevOps roles?

Both — fundamentals cover AZ-900 territory, while networking, security, AKS, and scenario questions suit DevOps and cloud-engineer interviews.

Which Azure certification should I get first?

Start with AZ-900 (Fundamentals), then AZ-104 (Administrator) or AZ-400 (DevOps Engineer Expert) depending on your role.

How should I prepare for an Azure interview?

Use a free Azure account, deploy VMs and App Services, practice networking and identity, and be ready to design highly available, secure solutions.

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