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Microsoft AZ-204 Cheat Sheet: Azure Developer

Review Microsoft Azure Developer Associate (AZ-204) compute, storage, identity, Key Vault, messaging, APIs, monitoring, troubleshooting, and retirement guidance before using the AZ-204 practice page.

AZ-204 is an Azure developer implementation route. Use this cheat sheet to review service-selection, identity, storage, integration, monitoring, and transition decisions before trying the AZ-204 sample questions.

Use this with practice. Review the Azure developer checklist, then open the AZ-204 page for sample questions, retirement guidance, and related live IT Mastery practice paths.

Open AZ-204 practice page Compare AI-200 route

Exam snapshot

FieldDetail
IssuerMicrosoft
Official exam nameDeveloping Solutions for Microsoft Azure
Exam codeAZ-204
Route focusAzure application development
Status in IT MasterySample questions with Notify me form

Domain map

DomainWeightWhat to knowCommon trap
Azure compute solutions25-30%App Service, Functions, containers, deployment, scaling, and runtime behaviorChoosing a VM when a managed compute service fits better
Azure storage15-20%Blob, files, queues, tables, Cosmos DB awareness, SDKs, and access patternsPicking storage by name instead of data shape and access need
Azure security15-20%Managed identities, Microsoft Entra, Key Vault, tokens, and least privilegeStoring secrets in code or app settings without Key Vault controls
Monitoring and troubleshooting5-10%Application Insights, logs, metrics, traces, alerts, and failure isolationDebugging code before checking telemetry and configuration
Service integration20-25%APIs, events, queues, messaging, third-party services, and resilient communicationMaking every workflow synchronous when event-driven design fits

Must-know distinctions

DistinctionHow to decide
App Service vs FunctionsApp Service fits hosted web apps and APIs; Functions fits event-driven units of work.
Queue vs eventQueues buffer work for processing; events notify that something happened.
Managed identity vs client secretManaged identity avoids stored credentials for Azure-to-Azure access.
Key Vault secret vs app settingKey Vault protects and manages secrets; app settings configure runtime values.
Blob vs table vs queue storageBlob stores objects; tables store key-value entities; queues decouple work.
Authentication vs authorizationAuthentication proves identity; authorization controls allowed actions.
Logging vs tracing vs metricsLogs record events; traces follow requests; metrics quantify system behavior.

High-yield checklist

  • Identify compute fit before writing code: web app, function, container, or background process.
  • Use managed identities and least privilege for Azure resource access.
  • Put secrets and certificates under controlled secret management.
  • Choose storage based on structure, access pattern, consistency, and scale.
  • Use retries, dead-letter handling, and idempotency for distributed workflows.
  • Add observability early: logs, metrics, traces, and correlation IDs.
  • Separate application failures from identity, configuration, networking, and service-limit failures.
  • Review API, event, and queue boundaries before choosing integration services.
  • Compare AZ-204 with AI-200 if your target exam moved to AI-driven Azure development.
  • Verify retirement and replacement timing before exam day.

Common traps

  • Choosing Azure Functions for a long-running web API only because it is serverless.
  • Using broad connection strings where managed identity is available.
  • Ignoring message duplication or retry behavior in queue-driven workflows.
  • Treating monitoring as optional until after a production issue.
  • Confusing deployment slots with scale-out.
  • Studying AZ-204 after your target program has moved to AI-200.

Practice strategy

Use the AZ-204 page to tag misses as compute, storage, security, monitoring, or integration. If your study plan points to a newer AI developer route, compare AZ-204 with AI-200 before investing heavily in older exam preparation.

Official source

Revised on Monday, May 25, 2026