Top 70+ Azure Interview Questions and Answers for 2025

Top 70+ Azure Interview Questions and Answers (2025)

Looking to crack your next Microsoft Azure interview? Whether you’re preparing for an Azure Administrator, Developer, or DevOps role, this guide covers the most important Azure interview questions with detailed answers to help you succeed.

1. What is Microsoft Azure?

Answer: Microsoft Azure is a cloud computing platform that provides a range of services including compute, analytics, storage, and networking. It enables businesses to build, test, deploy, and manage applications via Microsoft-managed data centers.

2. What are the core services in Azure?

• Compute: Virtual Machines, App Services, Azure Functions
• Storage: Blob Storage, File Storage, Queue Storage
• Networking: Virtual Network, Load Balancer, Application Gateway
• Database: Azure SQL Database, Cosmos DB
• AI & Analytics: Azure Synapse, Machine Learning, Cognitive Services

3. What is the difference between IaaS, PaaS, and SaaS in Azure?

IaaS (Infrastructure as a Service): Provides virtualized computing resources over the internet (e.g., Virtual Machines).

PaaS (Platform as a Service): Provides hardware and software tools over the internet (e.g., Azure App Service).

SaaS (Software as a Service): Delivers ready-to-use applications via the internet (e.g., Microsoft 365).

4. What is an Azure Resource Group?

Answer: A Resource Group in Azure is a logical container used to manage and organize related resources such as VMs, storage accounts, and databases collectively.

5. What is an Azure Virtual Network (VNet)?

Answer: Azure Virtual Network enables Azure resources to securely communicate with each other, on-premises networks, and the internet. It’s the foundation of private networking in Azure.

6. How does Azure ensure high availability?

Answer: Azure ensures high availability through:

• Availability Sets – Protect against hardware failure.
• Availability Zones – Provide fault isolation across data centers.
• Load Balancers – Distribute traffic for performance and reliability.

 

7. What is Azure Blob Storage used for?

Answer: Azure Blob Storage is used for storing unstructured data such as images, videos, logs, and backups. It supports block blobs, append blobs, and page blobs.

8. What is the difference between Azure AD and traditional AD?

Answer: Azure Active Directory (AAD) is a cloud-based identity management service, while traditional Active Directory (AD) is on-premises. AAD supports modern authentication, SSO, and integration with cloud applications.

9. What is Azure Functions?

Answer: Azure Functions is a serverless compute service that automatically scales based on demand and charges only for the resources used. Ideal for event-driven tasks like background processing or automation.

10. What is the Azure Shared Responsibility Model?

Answer: It defines who is responsible for security and compliance:

• Microsoft: Responsible for physical security and the underlying cloud infrastructure.
• Customer: Responsible for data, access management, and application configuration.

 

11. What is Azure Kubernetes Service (AKS)?

Answer: AKS is a managed Kubernetes service that simplifies the deployment, management, and scaling of containerized applications using Kubernetes.

12. How can you monitor and manage Azure costs?

Use Azure Cost Management + Billing to track spending, set budgets, and optimize resource utilization. Azure Advisor also provides cost-saving recommendations.

13. What is Azure DevOps?

Answer: Azure DevOps is a suite of services for managing the software development lifecycle including version control, CI/CD pipelines, test management, and artifact storage.

14. Explain Azure ARM Templates.

Answer: Azure Resource Manager (ARM) templates are JSON files used to define and automate deployment of Azure resources in a consistent manner.

15. What are Azure Availability Zones?

Answer: Availability Zones are unique physical locations within an Azure region that provide high availability by isolating resources from data center failures.

16. What is Azure Application Gateway?

Answer: It’s a web traffic load balancer that enables you to manage traffic to your web applications with advanced routing, SSL termination, and WAF protection.

17. What is Azure Policy?

Answer: Azure Policy helps enforce governance by defining and applying rules to ensure that resources comply with organizational standards and regulations.

18. What are NSGs (Network Security Groups)?

Answer: NSGs act as firewalls controlling inbound and outbound traffic to Azure resources based on IP, port, and protocol rules.

19. What is Azure Key Vault?

Answer: A service for securely storing and managing secrets, keys, and certificates used by cloud applications and services.

20. What is Azure Load Balancer?

Answer: It distributes incoming network traffic across multiple servers to ensure availability and reliability of applications.

Azure Interview Tips

• Focus on core services like Compute, Storage, and Networking.
• Understand how to design solutions using multiple Azure components.
• Be familiar with Azure Portal, CLI, and PowerShell commands.
• Prepare real-world use cases (e.g., scaling web apps, secure networking).

For more Azure interview questions, visit KnowAdvance – Azure Interview Questions.

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Updated: 2025 | Author: KnowAdvance Editorial Team