- What Exactly Is AZ-305?
- Who AZ-305 Is Designed For
- Registration, Format, and Fee Mechanics
- The Four AZ-305 Domains
- What the Questions Actually Look Like
- Why the AZ-104 Prerequisite Matters
- Who Hires for AZ-305 Skills
- Scheduling Your Prep Around the Domains
- Certification Validity and Renewal
- Frequently Asked Questions
- AZ-305 is Microsoft's exam for the Azure Solutions Architect Expert certification, priced around $165 USD.
- Passing requires a score of 700+ across four weighted domains, with Design infrastructure solutions at 30-35%.
- You must already hold the Azure Administrator Associate (AZ-104) credential before this certification is awarded.
- The certification expires after 12 months but renews free via a Microsoft Learn assessment.
What Exactly Is AZ-305?
AZ-305, officially titled Exam AZ-305: Designing Microsoft Azure Infrastructure Solutions, is the credentialing exam Microsoft governs for candidates seeking the Microsoft Certified: Azure Solutions Architect Expert title. It is not an entry-level test of Azure trivia - it is a design-focused exam that asks you to make architectural decisions across identity, data, business continuity, and infrastructure, then justify tradeoffs based on stated business and technical requirements.
Unlike hands-on administrator exams that test "how do I configure this resource," AZ-305 tests "which resource, topology, or pattern should I choose given these constraints." That distinction shapes everything about how you should prepare, and it's why generic exam-prep advice tends to fall short. For a full breakdown of what separates this exam from typical certification prep, see our complete difficulty guide for the AZ-305 exam.
Who AZ-305 Is Designed For
Microsoft positions this exam for professionals who already have hands-on Azure experience and are moving into an architecture or design-authority role. The official skills list assumes advanced knowledge in Azure administration, networking, virtualization, identity, security, business continuity and disaster recovery, data platform, governance, development, and DevOps. That's a broad span deliberately - an architect is expected to have breadth across every specialist domain, even if they aren't the one implementing each piece.
If you're unclear on how this differs from adjacent credentials or what the letters and numbers even reference, our companion pieces on AZ-305 meaning and what AZ-305 stands for cover the naming conventions Microsoft uses across its certification tracks.
Registration, Format, and Fee Mechanics
AZ-305 is delivered through Pearson VUE, either at a physical test center or through online proctoring, giving candidates flexibility in how and where they sit the exam. Pricing is region-based rather than fixed globally; in the United States, the exam typically costs $165 USD plus applicable taxes, and there is no separate member versus non-member pricing tier published by Microsoft.
Microsoft states that most certification exams typically contain 40-60 questions, though the exact count can vary and is not published per exam. For role-based exams like AZ-305 that don't include labs, candidates receive 100 minutes of exam time and 120 minutes of total seat time (the extra time covers the NDA agreement and post-exam survey). Exams that may include labs can run longer, though Microsoft doesn't publish a definitive list of which exams include them.
A passing score is 700 or higher on Microsoft's scaled scoring system. Microsoft does not publicly disclose pass rates for AZ-305 or any other exam, so treat any specific pass-rate number you see elsewhere with skepticism - for a data-grounded look at what's actually known, read our dedicated AZ-305 pass rate analysis. If you want the full cost picture including retakes, renewal, and training expenses, check the AZ-305 certification cost breakdown.
Key Takeaway
Budget for a single $165 attempt plus study time - Microsoft doesn't publish discount tiers, so your main cost lever is passing on the first try rather than shopping for a cheaper registration path.
The Four AZ-305 Domains
Everything on AZ-305 falls into one of four officially weighted domains. Understanding these weights should directly shape your study allocation - spending equal time on all four domains ignores where the exam actually concentrates its questions.
Domain 1: Design identity, governance, and monitoring solutions (25-30%)
Covers governance strategy (management groups, policies, resource organization), identity design (Microsoft Entra ID, hybrid identity, RBAC), and monitoring architecture.
- Designing for governance at scale across subscriptions and management groups
Domain 2: Design data storage solutions (20-25%)
Focuses on selecting appropriate storage and database services for relational, non-relational, and big data workloads, plus data integration patterns.
- Matching storage tiers and database services to consistency, latency, and scale requirements
Domain 3: Design business continuity solutions (15-20%)
Covers backup strategy, disaster recovery, and high availability design across Azure regions and services.
- Designing RTO/RPO-appropriate failover architectures
Domain 4: Design infrastructure solutions (30-35%)
The largest domain, spanning compute selection, application architecture patterns, networking design, and migration strategy.
- Choosing between VMs, containers, and serverless compute based on workload characteristics
Each domain deserves individual, deep attention rather than a single pass-through. We've published standalone study guides for each one: Domain 1: identity, governance, and monitoring, Domain 2: data storage solutions, Domain 3: business continuity solutions, and Domain 4: infrastructure solutions. For the full weighting rationale and how domains interconnect on the exam, see the complete AZ-305 exam domains guide.
| Domain | Weight | Core Focus |
|---|---|---|
| Design identity, governance, and monitoring solutions | 25-30% | Entra ID, RBAC, policy, monitoring architecture |
| Design data storage solutions | 20-25% | Relational, non-relational, big data storage design |
| Design business continuity solutions | 15-20% | Backup, DR, high availability |
| Design infrastructure solutions | 30-35% | Compute, app architecture, networking, migration |
What the Questions Actually Look Like
Microsoft does not publish the exact format breakdown in advance, but the AZ-305 exam sandbox draws from a known pool of question types: active screen, build list, case study, drag-and-drop, hot area, multiple choice, and potentially lab-based tasks. This variety matters because you can't prepare by memorizing flashcards alone - you need to practice reasoning through multi-part case studies where a single scenario feeds several questions about different design decisions.
One detail candidates often overlook: Microsoft Learn access is available during associate and expert exams within the Learn domain, while the exam timer continues to run. This isn't a substitute for preparation - it's a safety net for verifying a specific service detail, not a way to learn the material during the test.
Because so much of the exam hinges on interpreting scenario requirements correctly rather than recalling isolated facts, practicing with realistic scenario-based questions before exam day is one of the highest-leverage things you can do. That's exactly the gap a structured AZ-305 practice test platform is built to close - rehearsing the case-study reasoning pattern repeatedly until it becomes automatic.
Why the AZ-104 Prerequisite Matters
Passing AZ-305 alone does not earn you the Azure Solutions Architect Expert title. Microsoft requires candidates to also hold the Microsoft Certified: Azure Administrator Associate certification (earned via AZ-104) before the Expert badge is awarded. This is a structural requirement, not a suggestion - you can technically sit and pass AZ-305 without AZ-104, but you won't receive the Expert certification until both are on file.
This layered design reflects Microsoft's intent: architects should have real operational grounding in Azure administration before they're validated to design solutions others will implement. If you're mapping out your certification path or trying to understand exactly how the credential is structured, our AZ-305 certification overview and what is AZ-305 certification pages walk through the prerequisite chain in detail.
Who Hires for AZ-305 Skills
The skill set validated by AZ-305 - advanced knowledge spanning networking, identity, data platform, governance, and DevOps - maps directly to cloud architect, infrastructure architect, and senior cloud engineer roles rather than junior administrator positions. Organizations running production Azure environments at scale, particularly those managing multi-subscription governance, hybrid identity, or regulated data workloads, are the ones most likely to list this certification as a qualification or differentiator.
Because the certification signals design authority rather than hands-on configuration skill, it tends to appear in job postings for roles where you'll be making architectural recommendations, not just executing tickets. For a closer look at where this credential shows up in the job market and what titles typically require it, see our AZ-305 jobs guide. If you're weighing whether the investment of time and the $165 fee pays off relative to your career goals, the ROI analysis for AZ-305 and AZ-305 salary guide both break down the qualitative case in detail.
Scheduling Your Prep Around the Domains
Rather than a generic weekly template, your AZ-305 schedule should be built directly from domain weights. Since Domain 4 (Design infrastructure solutions) carries the largest share at 30-35%, and Domain 1 (identity, governance, and monitoring) follows closely at 25-30%, these two domains should anchor the bulk of your study calendar - not be treated as equal to the lighter-weighted Domain 3.
Domain 4: Infrastructure Solutions
- Compute selection logic (VMs vs. containers vs. serverless)
- Networking topology and hybrid connectivity patterns
- Migration strategy scenarios
Domain 1: Identity, Governance, Monitoring
- Management group and policy design
- Entra ID hybrid identity scenarios
- Monitoring and alerting architecture
Domain 2: Data Storage Solutions
- Relational vs. non-relational selection criteria
- Data integration and analytics pipeline design
Domain 3: Business Continuity + Full Review
- Backup, DR, and HA design patterns
- Timed case-study practice across all four domains
This sequencing front-loads the highest-weighted, most infrastructure-heavy content while you have the most energy, then layers in the lighter domains before a final integrated review. For a more detailed week-by-week plan with specific resources, our AZ-305 study guide for 2026 expands on this structure considerably.
Certification Validity and Renewal
Once earned, Microsoft Certified: Azure Solutions Architect Expert is valid for 12 months. Renewal doesn't require retaking AZ-305 from scratch - instead, Microsoft offers a free online renewal assessment through Microsoft Learn during the renewal window (available roughly six months before expiration). This assessment is shorter and less intensive than the original exam but still confirms you've kept pace with any changes to the skills measured, especially relevant given that the English exam and study guide were most recently updated for skills measured as of April 17, 2026, with no retirement date currently listed.
Key Takeaway
Mark your renewal window as soon as you pass - missing it means re-sitting the full paid exam rather than the free Learn-based renewal assessment.
Frequently Asked Questions
AZ-305 tests design and architectural judgment rather than hands-on configuration, which many candidates find conceptually harder because there's often no single "correct" answer - only better and worse tradeoffs given stated requirements.
You can sit AZ-305 without having passed AZ-104 first, but Microsoft will not award the Azure Solutions Architect Expert certification until you hold both credentials.
Microsoft states that most certification exams typically contain 40-60 questions, but it does not publish an exact fixed count for AZ-305 specifically.
A scaled score of 700 or higher is required to pass, out of Microsoft's standard scoring range.
The certification is valid for 12 months from the date earned, after which it can be renewed free of charge via an online Microsoft Learn renewal assessment.
Understanding what AZ-305 actually measures - and how its four domains, question formats, and prerequisite structure fit together - is the foundation for building an effective study plan. From here, the most productive next step is working through realistic scenario-based questions on our AZ-305 practice test platform to see exactly how these design tradeoffs show up under exam conditions.