AZ-400 Exam Domains & Topics
Understand the domains and stop losing points on scenario tradeoffs.
Quick answers
- Secure: IAM + encryption + least privilege.
- Resilient: HA/DR basics, fault tolerance.
- High-performing: caching, scaling, right service choice.
- Cost-optimized: storage tiers and pricing tradeoffs.
AZ-400 tests the full DevOps lifecycle in Azure: plan, develop, deliver, and operate with feedback loops and security.
Use this domains page to find weak areas and focus study time smartly.
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How domains map to real questions
The exam is scenario-driven. Your score often depends on choosing the best architecture under constraints (cost vs performance vs reliability vs security).
- Design secure architectures: IAM, encryption, least privilege.
- Design resilient architectures: HA, DR, fault tolerance.
- Design high-performing architectures: caching, scaling, right service choice.
- Design cost-optimized architectures: storage classes, pricing tradeoffs.
Topics & Skills Covered
- Develop an instrumentation strategy
- Develop a Site Reliability Engineering (SRE) strategy
- Develop a security and compliance plan
- Manage source control
- Facilitate communication and collaboration
- Define and implement continuous integration
- Define and implement continuous delivery
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Frequently Asked Questions
Should I study domains in order?
Not required. Start with your weakest domain, but do mixed practice daily to keep balance.
What makes AZ-400 tricky?
Many tools and settings: pipelines YAML, environments, approvals, artifacts, and monitoring integration.
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