100 Common Azure Interview Questions

Azure is a comprehensive set of cloud services offered by Microsoft that developers and IT professionals use to build, deploy, and manage applications through a global network of datacenters. This topic becomes essential in tech interviews particularly in roles targeting cloud technologies and solutions architectures. The potential Azure interview questions range from basic to advanced level pertaining to Azure services, cloud architecture, data management, and security protocols among others. It helps assess a candidate’s practical knowledge in cloud computing and application deployment using Azure platform.

Content updated: January 1, 2024

Azure Fundamentals


  • 1.

    What are the core components of Microsoft Azure’s architecture?

    Answer:

    Azure’s architecture encompasses foundational components, providing the backbone for the platform’s versatile cloud services.

    Core Components

    1. Management Plane: Facilitates resource governance and management. It includes Azure Resource Manager (ARM), responsible for provisioning and lifecycle management of Azure resources.

    2. Control Plane: Enforces Azure’s defined state, regulating resource operations. Here, Azure Resource Manager and Azure Policy ensure conformance with policies and configurations.

    3. Data Plane: Regulates the flow and accessibility of user data. Services like Blob Storage, Cosmos DB, and more utilize the Data Plane.

    4. Global Network: Serves as Azure’s backbone, offering a low-latency, high-bandwidth network. This network underpins various Azure services, enhancing their efficiency.

    5. Identity: Azure Active Directory (AAD) plays a central role in identity management. It authenticates and authorizes users and services, ensuring secure access to Azure resources.

    6. Security & Compliance: Azure’s dedicated teams manage security and regulatory compliance, safeguarding customer data.

    7. Billing: Azure utilities a metered billing model, where customers pay based on resource usage.

    Core Areas of Focus

    • Infrastructure as a Service (IaaS): Offers virtualized computing resources over the internet. Azure VMs are one example, providing a choice of operating systems and flexibility in deploying software.

    • Platform as a Service (PaaS): Provides tools and services to streamline application development and management. Azure App Service is a PaaS offering catering to web and mobile app development with features like automatic scaling and continuous integration.

    • Software as a Service (SaaS): Here, cloud-based software is delivered over the internet, eliminating the need for installation or software maintenance. Office 365, OneDrive, and Teams showcase Azure’s SaaS capabilities.

    • Serverless Computing: Azure offers serverless solutions such as Azure Functions and Logic Apps, allowing developers to focus solely on their code, without any server management.yme

    Supporting Services

    Azure Resource Manager

    Azure Resource Manager (ARM) is at the heart of the Azure Management Plane, orchestrating the deployment and management of resources across various Azure services.

    Azure Active Directory

    Azure AD powers Azure’s identity and access management, streamlining user authentication and resource authorization across Azure’s multifaceted environment.

    Azure Policy

    Azure Policy ensures regulatory compliance and governance by enforcing rules and regulations within your Azure infrastructure, thereby confirming resources remain aligned with your specific regulatory and operational guidelines.

    Azure Service Health

    Service Health provides comprehensive insights into the health and state of Azure services, along with timely updates, mitigating potential issues and optimizing your Azure experience.

    Azure Monitor

    As your go-to solution for in-depth operational visibility, Azure Monitor efficiently oversees the performance and characteristics of your Azure environment.

  • 2.

    Explain the difference between Infrastructure as a Service (IaaS) and Platform as a Service (PaaS).

    Answer:
  • 3.

    What is Azure Resource Manager and how does it benefit Azure resource management?

    Answer:
  • 4.

    Describe the main categories of services offered by Azure.

    Answer:
  • 5.

    Explain the use of Azure regions and availability zones.

    Answer:
  • 6.

    How does Azure ensure data redundancy and failover?

    Answer:
  • 7.

    In what scenarios would you use Azure App Service Environment?

    Answer:
  • 8.

    What is the Azure Service Level Agreement (SLA) and how does it impact application design?

    Answer:
  • 9.

    Describe the difference between Azure Classic and Azure Resource Manager deployment models.

    Answer:
  • 10.

    Explain the concept of Azure Resource Groups.

    Answer:

Azure Compute Services


  • 11.

    When should you choose Azure Functions over Azure App Service?

    Answer:
  • 12.

    Describe how you would scale an Azure Virtual Machine.

    Answer:
  • 13.

    What are the different types of Azure Virtual Machines available and how do you choose one?

    Answer:
  • 14.

    Explain the purpose of Azure Batch service.

    Answer:
  • 15.

    How do you deploy a Docker container to Azure Container Instances?

    Answer:
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