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Chapter 9 - Virtual Machines
Chapter 9.4 - Sizes

AZ-104 Certification Notes

Chapter 9.4 - Sizes

Azure VMs - Sizes

Azure VMs come in a variety of sizes that are also optimized for specific use cases. Azure VMs are grouped into:

  • Types: General Purposes, Compute Optimized
  • Sizes: B, Dsv3 (also called Series or SKU Family)

General Purpose: Balanced CPU-to-Memory ratio. Testing and development, small to medium databases, and low to medium traffic web servers. SKUs: B, Dsv3, Dv3, Dasv4, Dav4, DSv2, Dv2, Av2, DC, DCv2, Dv4, Dsv4, Ddv4, Ddsv4

Compute Optimized: High CPU-to-memory ratio. Good for medium traffic web servers, network appliances, batch processes, and app servers. SKUs: F,Fs, Fsv2

Memory Optimized: High memory-to-CPU ratio. Great for relational database servers, medium to large caches, and in-memory analytics. SKUs: Esv3, Ev3, Easv4, Eav4, Ev4, Esv4, Edv4, Edsv4, Edsv4, Mv2, M, DSv2, Dv2

Storage Optimized: High disk throughput and IO ideal for Big Data, SQL, NoSQL databases, data warehousing and large transactional databases. SKUs: Lsv2

GPU: Specialized VMs for heavy graphic rendering and video editing, model training and inferencing (ND) with deep learning. SKUs: NC, NCv2, NCv3, NCasT4_v3 (Preview), ND, NDv2 (Preview), NV, NVv3, NVv4

High Performance Compute: Our fastest and most powerful CPU virtual machines with optional high-throughput network interfaces (RDMA). SKUs: HB, HBv2, HC, H

There are previous series of Virtual Machines sizes not shown here like Basic A

Practice Quiz

  • Which Azure VMs Type has a high CPU-to-memory ratio, is good for medium traffic web servers, network appliances, batch processes, and app servers?

    • Compute Optimized
    • Memory Optimized
    • General Purpose
    • Storage Optimized

  • Which Azure VMs Type has high disk throughput and IO ideal for Big Data, SQL, NoSQL databases, data warehousing, and large transactional databases?

    • High performance compute
    • Storage Optimized
    • Memory Optimized
    • GPU

  • How are Azure VMs grouped?

    • Types: General Purpose, Compute Optimized
    • Sizes: B, Dsv3, etc

  • Which Azure VMs Type has a balanced CPU-to-Memory ratio. Used for testing and development, small to medium databases, and low to medium traffic web servers?

    • General Purpose
Chapter 9.3 - Cloud InitChapter 9.5 - ACUs