Microsoft · Official Blueprint · Last reviewed May 2026
The official Microsoft MS-900 exam covers 4 domains. Domain weights tell you exactly how much of the exam each topic represents — and where to invest your study time.
Covers IaaS, PaaS, SaaS service models, the shared responsibility model, cloud economic benefits (CapEx vs OpEx), and the five characteristics of cloud computing. Foundation for all other Azure topics.
Practice Describe cloud concepts questionsCovers the topics, concepts, and applied skills examined under the Describe Microsoft 365 apps and services domain. Study the official exam objectives and practise questions in this area to build confidence and accuracy before your exam.
Practice Describe Microsoft 365 apps and services questionsCovers the topics, concepts, and applied skills examined under the Describe security, compliance, privacy, and trust in Microsoft 365 domain. Study the official exam objectives and practise questions in this area to build confidence and accuracy before your exam.
Practice Describe security, compliance, privacy, and trust in Microsoft 365 questionsCovers the topics, concepts, and applied skills examined under the Describe Microsoft 365 pricing and support domain. Study the official exam objectives and practise questions in this area to build confidence and accuracy before your exam.
Practice Describe Microsoft 365 pricing and support questionsThe heaviest domain on the MS-900 is "Describe cloud concepts" at null%. Start here and return to it regularly.
Allocate study time proportional to domain weight — a 25% domain deserves roughly 25% of your prep hours.
Never skip a low-weight domain. A 10% domain still represents 5–7 exam questions — enough to make the difference between pass and fail.
Use Courseiva domain analytics to track your accuracy per domain automatically. The system routes extra questions to your weak areas.
Courseiva tracks your accuracy per domain automatically and routes you toward your weakest areas — no manual configuration needed.