About This Domain
Domain 4 — Design Infrastructure Solutions — accounts for 25-30% of the AZ-305 certification exam. This domain evaluates your understanding of design compute solutions for different workload types, design network architectures (hub-spoke, virtual wan), design application architectures and integration patterns, and related concepts. Design compute, networking, application architecture, and migration solutions. 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
- Design compute solutions for different workload types
- Design network architectures (hub-spoke, Virtual WAN)
- Design application architectures and integration patterns
- Design migration strategies using Cloud Adoption Framework
Key Azure Services in This Domain
Study Strategy for Domain 4
This domain represents 25-30% of the total exam, making it a significant scoring area. Balance theoretical study with hands-on practice. Use practice quizzes to identify weak spots and review the topics where you score below 75%.
Exam Tips for Domain 4
Hub-spoke topology centralizes shared services; Virtual WAN simplifies large-scale connectivity.
AKS for microservices; App Service for web apps; Functions for event-driven.
Azure Front Door provides global load balancing with WAF at the edge.
Frequently Asked Questions
How many questions on the AZ-305 exam come from Domain 4?
Domain 4 (Design Infrastructure Solutions) makes up 25-30% of the AZ-305 exam. The exam has 65 scored questions, so approximately 16 questions will come from this domain.
What services should I focus on for Domain 4?
The key services for this domain include Compute, Networking, Application Architecture, Migration. Make sure you understand how each service works, its use cases, and how they integrate with one another.
How should I prepare for Design Infrastructure Solutions 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-305 domains?
Many candidates start with the highest-weighted domains first. For the AZ-305 exam, the domains in order of weight are: Design Identity, Governance, and Monitoring Solutions (25-30%), Design Data Storage Solutions (25-30%), Design Business Continuity Solutions (10-15%), Design Infrastructure Solutions (25-30%). However, start with whichever domain aligns best with your existing experience.
Practice Domain 4 Questions
Test your knowledge of Design Infrastructure Solutions with practice questions from our AZ-305 question bank.
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