About This Domain
Domain 2 — Develop for Azure Storage — accounts for 15-20% of the AZ-204 certification exam. This domain evaluates your understanding of implement cosmos db partitioning and consistency models, use cosmos db change feed for event-driven architectures, manage blob lifecycle, access tiers, and metadata, and related concepts. Develop solutions that use Azure Cosmos DB and Azure Blob Storage. To pass this section you need practical knowledge of how these services and patterns work together in real-world architectures.
What You'll Be Tested On
- Implement Cosmos DB partitioning and consistency models
- Use Cosmos DB change feed for event-driven architectures
- Manage blob lifecycle, access tiers, and metadata
- Implement blob leasing and optimistic concurrency
Key Azure Services in This Domain
Study Strategy for Domain 2
While 15-20% might seem like a smaller portion of the exam, every point counts toward the passing score. Focus on understanding core concepts and common exam scenarios for this domain. Don't neglect it — even a few missed questions here can make the difference between pass and fail.
Exam Tips for Domain 2
Choose the right partition key to avoid hot partitions in Cosmos DB.
Know all five Cosmos DB consistency levels: Strong, Bounded Staleness, Session, Consistent Prefix, Eventual.
Blob access tiers: Hot (frequent), Cool (30+ days), Archive (180+ days).
Frequently Asked Questions
How many questions on the AZ-204 exam come from Domain 2?
Domain 2 (Develop for Azure Storage) makes up 15-20% of the AZ-204 exam. The exam has 65 scored questions, so approximately 10 questions will come from this domain.
What services should I focus on for Domain 2?
The key services for this domain include Cosmos DB, Blob Storage. Make sure you understand how each service works, its use cases, and how they integrate with one another.
How should I prepare for Develop for Azure Storage questions?
Start by reviewing the key topics listed above, then practice with domain-specific questions. Focus on understanding real-world scenarios rather than memorizing facts. Use our practice quizzes to test your knowledge and review explanations for any questions you get wrong.
What's the best order to study the AZ-204 domains?
Many candidates start with the highest-weighted domains first. For the AZ-204 exam, the domains in order of weight are: Develop Azure Compute Solutions (25-30%), Develop for Azure Storage (15-20%), Implement Azure Security (20-25%), Monitor, Troubleshoot, and Optimize (15-20%), Connect to and Consume Azure Services (15-20%). However, start with whichever domain aligns best with your existing experience.
Practice Domain 2 Questions
Test your knowledge of Develop for Azure Storage with practice questions from our AZ-204 question bank.
Start Practice Quiz →