Microsoft Azure continues to be a dominant force in cloud computing, making it essential for IT professionals to stay updated on the latest concepts. Whether you're preparing for a job interview or simply brushing up on your Azure knowledge, this blog covers 20 commonly asked Azure interview questions and their detailed answers for 2025.

1. What is Microsoft Azure?

Answer:
Microsoft Azure is a cloud computing platform and service offered by Microsoft that provides a range of solutions such as computing, storage, networking, and AI. It enables businesses to build, manage, and deploy applications across a global network of Microsoft-managed data centres.

2. What are the key benefits of using Azure?

Answer:
Some key benefits of Azure include:

     • Scalability: Azure provides on-demand scaling of resources.
     • Cost-effectiveness: Pay-as-you-go pricing model reduces upfront costs.
     • Security: Advanced security features, including identity management and compliance.
     • Hybrid Capability: Supports hybrid cloud setups.
     • AI and Analytics: Built-in AI and analytics capabilities.

3. What is Azure Virtual Machine (VM)?

Answer:
Azure Virtual Machine is an Infrastructure-as-a-Service (IaaS) offering that allows users to create and run virtualized instances on the Azure cloud. It supports Windows, Linux, and various configurations for computing power and storage.

4. What are Azure Resource Groups?

Answer:
Resource Groups in Azure act as logical containers that hold related resources for an Azure solution. They help manage and organize resources effectively, enabling easy deployment, access control, and cost tracking.

5. What is Azure Blob Storage?
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Answer:
Azure Blob Storage is a storage solution designed for handling large amounts of unstructured data, such as text, images, videos, and backups. It supports three types:

     • Block Blobs (for large file storage)
     • Append Blobs (optimized for logging and auditing)
     • Page Blobs (used for virtual machine disks)

6. What is Azure Kubernetes Service (AKS)?

Answer:
Azure Kubernetes Service (AKS) is a managed Kubernetes container orchestration service that simplifies the deployment, management, and scaling of containerized applications.

7. What is Azure Functions?

Answer:
Azure Functions is a serverless compute service that allows users to execute small pieces of code in response to events, such as HTTP requests, database updates, or timers, without provisioning entire virtual machines.

8. What is Azure Active Directory (Azure AD)?

Answer:
Azure AD is Microsoft’s cloud-based identity and access management (IAM) service that helps employees sign in and access resources securely. It supports multi-factor authentication, single sign-on (SSO), and identity protection.

9. What is Azure DevOps?

Answer:
Azure DevOps is a set of development tools and services that help with CI/CD, infrastructure automation, version control, and project tracking. It includes Azure Repos, Azure Pipelines, Azure Boards, and Azure Test Plans.

10. How does Azure Site Recovery work?

Answer:
Azure Site Recovery (ASR) ensures business continuity by replicating workloads to Azure. In case of outages, workloads can failover to Azure and later failback when the issue is resolved.

11. What is Azure Logic Apps?

Answer:
Azure Logic Apps is a cloud-based workflow service that helps automate and integrate business processes by connecting various services like Office 365, SAP, and Salesforce.

12. What is Azure Cosmos DB?

Answer:
Azure Cosmos DB is a globally distributed NoSQL database service designed for high availability, low latency, and automatic scaling. It supports multiple data models, including document, key-value, graph, and column-family.

13. What is Azure Load Balancer?

Answer:
Azure Load Balancer distributes incoming network traffic across multiple servers to ensure high availability and fault tolerance for applications.

14. What is Azure Monitor?

Answer:
Azure Monitor is a service that collects, analyzes, and visualizes telemetry data to improve application performance, security, and troubleshooting.

15. How does Azure Backup work?

Answer:
Azure Backup is a cloud-based backup solution that protects data by creating recovery points and storing them securely in Azure Recovery Services Vault.

16. What is Azure Virtual Network (VNet)?

Answer:
Azure Virtual Network (VNet) is a networking service that allows Azure resources to securely communicate with each other, the internet, or on-premises networks.

17. What is Azure Data Factory?

Answer:
Azure Data Factory is a cloud-based data integration service that enables data movement and transformation across various data stores.

18. What is Azure Sentinel?

Answer:
Azure Sentinel is a cloud-native SIEM (Security Information and Event Management) tool that uses AI for threat detection, investigation, and response.

19. What is Azure Traffic Manager?

Answer:
Azure Traffic Manager is a DNS-based traffic routing service that distributes user requests across different regions to optimize performance and availability.

20. What is Azure ExpressRoute?

Answer:
Azure ExpressRoute is a private connection service that enables secure, high-bandwidth connectivity between on-premises networks and Azure, bypassing the public internet.

Conclusion

By preparing with these Azure interview questions, you can confidently demonstrate your expertise in cloud computing and stand out in job interviews. Azure continues to evolve, so staying updated with the latest services and best practices is crucial for career growth in cloud technology.

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