Azure Services Index — Complete Reference

Comprehensive index of Azure services across IaaS, PaaS, and SaaS.

🏗️ IaaS — Infrastructure as a Service

Compute

ServiceDescription
Virtual MachinesOn-demand compute
VM Scale SetsAuto-scaling VM groups
Dedicated HostSingle-tenant hardware
Spot VMsLow-cost, interruptible compute

Networking

ServiceDescription
Virtual NetworkPrivate network
Load BalancerL4 load balancing
Application GatewayL7 load balancer + WAF
Azure FirewallManaged firewall
Private EndpointPrivate access to services

Storage

ServiceDescription
Blob StorageObject storage
Managed DisksVM storage
Azure NetApp FilesEnterprise file shares

⚙️ PaaS — Platform as a Service

Compute

ServiceDescription
App ServiceWeb/API hosting
Azure FunctionsServerless compute
AKSKubernetes service
Container AppsServerless containers

Databases

ServiceDescription
Azure SQLManaged SQL Server
Cosmos DBNoSQL database
Redis CacheIn-memory caching

Messaging

ServiceDescription
Service BusEnterprise messaging
Event GridEvent routing
Event HubsStreaming ingest

🤖 AI / ML

ServiceDescription
Azure OpenAIGPT, DALL·E models
AI ServicesVision, Speech, Language APIs
Azure MLEnd-to-end ML lifecycle

📊 Analytics

ServiceDescription
SynapseData warehouse + analytics
Data FactoryETL pipelines
Stream AnalyticsReal-time processing

🔐 Identity & Security

ServiceDescription
Entra IDIdentity management
Key VaultSecrets & keys
Defender for CloudSecurity posture
SentinelSIEM + SOAR

🛠️ Management

ServiceDescription
ARMResource management layer
Azure MonitorObservability
AdvisorRecommendations
Cost ManagementCost tracking

📦 SaaS

ServiceDescription
Microsoft 365Office + collaboration
Dynamics 365ERP + CRM
Power PlatformLow-code apps & automation

🗺️ Interview Focus

Must Know: VNet, VMs, App Service, SQL, Cosmos DB, Storage, Service Bus, Entra ID, RBAC, Monitor

Nice to Know: Front Door vs App Gateway, Cosmos consistency, Private Link patterns