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Common Cloud Services

Compute services

  • Virtual Machines: Windows/Linux VMs with configurable CPU/RAM/disk; shared physical hosts
  • Container Instances: Run containers without managing servers; per-second billing
  • Azure Kubernetes Service (AKS): Managed Kubernetes with integrated CI/CD and security
  • Service Fabric: Distributed systems platform for reliable microservices
  • Functions: Event-driven serverless compute; pay only for execution time
  • Batch: Schedule and run large-scale parallel jobs; supports Spot VMs for cost savings

Storage services

  • Blob Storage: Massively scalable object storage; multiple access tiers and lifecycle management
  • Disk Storage: Durable block storage for VMs; SSD/HDD options; encryption at rest
  • File Shares: SMB/NFS file shares; lift-and-shift file servers to Azure
  • Queue Storage: Asynchronous messaging; up to millions of messages per queue
  • Table Storage: NoSQL key-value store for semi-structured data
  • Data Box: Rugged devices to move tens of TBsโ€“PBs offline into/out of Azure
  • Archive Storage: Lowest-cost tier for long-term, rarely accessed data
  • Data Lake Storage: HDFS-compatible data lake for analytics workloads

Database services

  • Cosmos DB: Globally distributed, multi-model NoSQL with 99.999% availability options
  • Azure SQL Database: Managed relational database with autoscale and advanced security

Exam tips

  • Know when to use VM vs. Containers vs. AKS vs. Functions
  • Recognize the storage tiers and when to choose Blob vs. File vs. Disk
  • Understand Cosmos DB (NoSQL) vs. Azure SQL (relational) scenarios