Azure
Basic Azure Interview Questions and Answers
1. What is Microsoft Azure?
Azure is a cloud computing platform by Microsoft offering services like VMs, storage, databases, and DevOps tools for building and managing applications.
2. What are the main Azure services?
Key services include Azure Virtual Machines, App Services, Blob Storage, Azure SQL Database, Azure Functions, and Kubernetes Service (AKS).
3. What is Azure Resource Manager (ARM)?
ARM is the deployment and management tool for Azure resources, enabling users to manage infrastructure through templates, APIs, and CLI.
4. What is Azure Virtual Machine?
Azure VMs provide scalable, on-demand compute for applications, supporting Linux and Windows environments.
5. What is Azure Blob Storage?
Azure Blob Storage is an object storage solution for unstructured data, such as images, videos, and backups.
6. What are Azure Availability Zones?
Availability Zones are isolated data centers within a region, providing high availability and disaster recovery.
7. What is Azure active directory Azure AD?
Azure AD is a cloud-based identity and access management service for secure user authentication and access control.
8. What is Azure Functions?
Azure Functions is a serverless computing service that runs code in response to events or triggers.
9. What is Azure Kubernetes Service (AKS)?
AKS is a managed Kubernetes orchestration service for deploying and managing containerized applications.
10. What is Azure DevOps?
Azure DevOps is a suite of tools for CI/CD, project management, and version control, enabling seamless application delivery.
11. What is Azure Cosmos DB?
Azure Cosmos DB is a globally distributed, NoSQL database service for scalable, low-latency data access.
12. What is the difference between Azure CLI and Azure PowerShell?
- Azure CLI: Command-line tool for managing Azure resources.
- Azure PowerShell: Scripting tool for automation and resource management
13. What is Azure Traffic Manager?
Azure Traffic Manager is a DNS-based load balancer that distributes user traffic across multiple endpoints globally.
14. What is Azure Logic Apps?
Azure Logic Apps automate workflows and integrate services using low-code/no-code solutions.
15. What is Azure ExpressRoute?
Azure ExpressRoute provides private connections between on-premises infrastructure and Azure for secure and high-speed data transfer.
16. How do you secure data in Azure.
Use Azure Security Center, enable encryption at rest and in transit, implement Azure AD, and set up firewalls and network security groups (NSGs).
17. What is Azure Monitor?
Azure Monitor provides performance metrics and diagnostics to monitor and optimize Azure resources.
18. How does Azure Backup work?
Azure Backup provides automated data backups to secure data in the cloud, supporting VMs, databases, and file shares.
19. What is Azure Load Balancer?
Azure Load Balancer is a Layer 4 load balancing service for distributing network traffic to ensure application availability.
20. What is the difference between Azure Blob Storage and Azure File Storage?
- Blob Storage: For unstructured data like media files.
- File Storage: For shared file access using SMB protocol.
21. What is Azure Site Recovery (ASR)?
ASR ensures business continuity by replicating workloads to a secondary region for disaster recovery.
22. What is Azure Data Factory (ADF)?
ADF is a data integration service for creating ETL workflows and moving data between various sources.
23. What is the difference between Azure SQL Database and SQL Server on Azure VM?
Azure SQL Database: PaaS, fully managed.
SQL Server on Azure VM: IaaS, self-managed.
24. What is Azure Application Gateway?
Azure Application Gateway is a Layer 7 load balancer with features like SSL termination and application-level routing.
25. How do you troubleshoot Azure Resource issues?
Use tools like Azure Monitor, Log Analytics, Activity Logs, and Network Watcher to diagnose and resolve issues.
