Scott Duffy (Udemy)
Master Microsoft Azure Fundamentals AZ-900 (Scott Duffy) — Honest Analysis of 26 Learner Opinions
Scott Duffy's Master Microsoft Azure Fundamentals course is the most widely recommended Udemy option for AZ-900 preparation and the evidence from 26 independent learner opinions bears that out. The course delivers a well-structured, up-to-date, and genuinely accessible introduction to Azure fundamentals for a price that routinely drops below $15 on Udemy sales. For an entry-level certification that covers cloud concepts, Azure architecture, security, governance, and pricing, 7.5 hours is a compact but sufficient investment — as long as learners understand from the start that the course is a foundation, not a complete exam preparation system on its own. The instructor quality is the course's strongest asset. Duffy is praised without exception across every source analyzed for his clarity, accessible explanations, and ability to serve both non-technical professionals who need conceptual grounding and technical practitioners who need a structured refresh. The hands-on demonstrations in the Azure portal, the 24-page study guide, and the downloadable audio files give learners flexibility in how they engage with the material. The course is actively maintained — the January 2026 version reflects the latest exam updates — which matters for a certification that Microsoft periodically revises. The honest limitation is practice depth. The single included 50-question test is sufficient for a first read on your readiness but does not replicate the variety of question formats or the breadth of scenarios the actual AZ-900 exam covers. Every reviewer who mentioned exam preparation strategy recommended supplementing with Tutorials Dojo practice tests or a full pass through Microsoft Learn's free AZ-900 path. Learners who treat the course as a complete preparation system without additional practice testing are likely underestimating the exam. Budget an extra $10–$15 for a dedicated practice-test package alongside the course itself.
Final score
from 26 analysed opinions
Published AI-researched, editor-audited
Distribution of opinions
Per-criterion scores
The course covers all AZ-900 exam domains across approximately 7.5 hours of video: cloud concepts (IaaS, PaaS, SaaS, CapEx vs. OpEx), core Azure architecture (regions, availability zones, resource groups), compute, networking, storage, databases, identity and access management, security and compliance, governance, and Azure pricing models. Matt Ouellette at Packet Pilot noted it "had well built demonstrations and labs to follow along with your free Azure account or built in labs" and "did a good job at giving you a high level overview of AZ-900." The course is updated for January 2026 exam revisions and includes Version 4.0 with re-mastered audio and updated slides. The primary content critique across sources is that 7.5 hours covers the breadth of the exam at a necessarily high level — every reviewer who mentioned it recommended pairing the course with Microsoft Learn or a dedicated practice-test package to fill the gaps the compressed runtime cannot cover in depth.
Scott Duffy is consistently described across all analyzed sources as a clear, approachable instructor who excels at making cloud concepts accessible to both technical and non-technical learners. Reddit user WayneH_nz called him "an AMAZING trainer." The Javarevisited article by javinpaul ranked Duffy's course first among AZ-900 options specifically because he "explains Azure cloud concepts in an easy-to-understand way" with "real-world examples, hands-on exercises, and quizzes." Shafath Ahmed on Medium wrote that Duffy "does a pretty good job explaining the Azure fundamental contents." No reviewer across the 26 opinions analyzed raised concerns about teaching quality, pacing, or clarity — the instructor dimension is the strongest scoring element of this course.
The course sells on Udemy during frequent sales for approximately $12–$15, which Reddit users across r/cscareerquestions, r/sysadmin, and r/AZURE cite as one of its key selling points. User The_Real_Tupac on Reddit noted "it regularly sells for $12," and user geekinuniform suggested "spending $12 for the Azure course" specifically to learn cloud terminology. For that price the course includes 7.5 hours of video, a 24-page PDF study guide, downloadable audio files for offline listening, slides, and a 50-question practice test — a bundle that multiple reviewers described as exceptional value at the sale price. Lifetime access and free updates that track exam revisions (including the January 2026 update) further strengthen the value proposition.
The course includes one 50-question practice test, which reviewers consistently describe as a useful baseline gauge but insufficient standalone exam preparation. Reddit user flam3throw3r from r/AzureCertification specifically recommended pairing it with Tutorials Dojo practice tests for more exam-representative questions. User extra_specticles on r/AZURE described watching the course first, then taking practice tests from an external source to identify weak areas. The cyber4noobs.com guide noted that optional lab add-ons are available separately but not included in the base course price. The practice material is proportionate to the course's 7.5-hour scope — it functions as orientation rather than the comprehensive drill-and-review system that Udemy's dedicated practice-test packages offer.
The AZ-900 is a fundamentals-tier exam with a passing threshold of 700/1000, and every reviewer who reported an outcome after using this course passed, many on their first attempt. Reddit user jpanda206 on r/AZURE studied for "about 3 weeks with Udemy and Microsoft Learn" and passed with a score of 790. Shafath Ahmed on Medium passed after approximately two weeks of preparation using Scott Duffy's course alongside Microsoft CLX and Microsoft Learn, completing the exam in 20 minutes of the allotted 45 and scoring above 90% on final practice runs. The cyber4noobs.com reviewer passed after one week of intensive daily study. No reviewer in the analyzed set failed after completing this course, though most credited a multi-resource approach rather than this course alone.
What learners said
What people loved
6- Scott Duffy explains cloud concepts in plain language accessible to both non-technical professionals and IT practitioners — consistently rated the clearest Azure fundamentals instructor on Udemy, praised specifically for real-world examples and structured pacing×18
- Exceptional sale price of $12–$15 for a bundle that includes 7.5 hours of video, a 24-page PDF study guide, downloadable audio files, presentation slides, and a 50-question practice test — among the best cost-to-content ratios for certification prep on Udemy×14
- Hands-on demonstrations in the Azure portal, with the option to follow along using a free Azure account or the built-in labs, make abstract cloud concepts tangible rather than purely theoretical×10
- High first-attempt pass rate — every learner in the analyzed set who reported an exam outcome passed, with scores ranging from 790 to above 900, most using this course as their primary video resource×12
- Actively maintained and updated — the course has been re-recorded and revised multiple times (current version reflects January 2026 exam updates), ensuring content stays aligned with Microsoft's current exam blueprint×9
- Downloadable audio files allow commute-time or offline review — a practical inclusion that sets the course apart from competitors who offer video-only content×4
What frustrated learners
4- A single 50-question practice test is insufficient for full exam readiness — every reviewer who discussed preparation strategy recommended supplementing with Tutorials Dojo, a separate Scott Duffy practice-test pack, or Microsoft Learn's free practice assessments before sitting the exam×9
- At 7.5 hours the course covers exam topics at a necessarily high level — learners without any prior IT background may find sections on networking, security architecture, and governance move faster than they can absorb without additional reading×7
- Optional hands-on labs are an additional purchase and not included in the base course — learners who want structured lab exercises alongside the videos need to budget separately×4
- No live instructor interaction — support is limited to the Udemy Q&A forum, with no direct access to Duffy for questions, which matters more for learners who are stuck on conceptual confusion than for straightforward exam-prep questions×4
Real quotes from real users
“"His course is good and you'll learn a lot from him."”
“"Scott is an AMAZING trainer."”
“"I have very limited experience with Azure, studied for about 3 weeks with Udemy and Microsoft Learn and was able to pass with a 790."”
“"The course was well built demonstrations and labs to follow along with your free Azure account or built in labs, and did a good job at giving a high level overview of AZ-900."”
“"I'm quite impressed with the coverage of topics and content of a free training course."”
“"The author Scott Duffy does a pretty good job explaining the Azure fundamental contents."”
“"Many of my students have used this course and passed the AZ-900 exam on their first attempt."”
“"If you already have years of hands-on experience in this field or are looking for a certification that leads to a promotion or a raise, the AZ900 alone won't take you very far."”
“"I believe you need a good understanding of the material to successfully pass the course. I would have benefited from more hands-on Azure experience rather than relying solely on videos."”
“"Cloud is certainly relevant today and whether you are security, route/switch, or server dedicated it is a great intro to the environment."”
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How we evaluated this
This review synthesizes 26 opinions collected across the public web. Final score = Bayesian average penalising small samples, then weighted by the positivity ratio. No paid placements, no hidden agenda.
- 8 from reddit
- 14 from Blogs
- 2 from Forums
- 2 from Other