
AI-300 Azure ML & AI Exam Prep
MLOps cert: 500 Qs & mock test
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About
The exam-prep app for engineers working with machine learning and generative AI on Azure. Covers the new AI-300 (Microsoft Certified: Machine Learning Operations Engineer Associate — the successor to DP-100). 500 original questions built to the official Study Guide, a full-length mock exam, and three-layer explanations in your language. One-time purchase, no subscription, fully offline.
■ What makes this app different
- An exam-prep app for the brand-new AI-300 (GA 2026, succeeds DP-100)
- Five-language display with an English toggle — official exam translations are often literal, so switch to English to grasp the real meaning
- All 500 questions carry three-layer explanations: per-option rationale / overall explanation / Microsoft Learn references
- Code questions (CLI, YAML, Python, Bicep) verified against official references
- One-time ¥1,480, fully offline — no subscription, no connection needed
■ 500 original questions, built to the official Study Guide
Written to the AI-300 blueprint (5 domains, 14 tasks). Completely original; never copied from official questions, docs or portal screenshots. Four formats: single choice, multiple response, ordering, matching. Case-study and "does this solution meet the goal?" formats restructured for studying.
■ Explanations that train best-vs-second-best judgment
Real-time vs batch, serverless vs managed, PTU vs on-demand — the exam tests fine distinctions. Every distractor explains why it falls short in that situation.
■ Full-length mock exam
Reproduces the real exam (~120 min, pass 700/1000). Per-domain weak-spot analysis afterward. Question count is customizable.
■ Structured study
- 5 domains (MLOps infrastructure / ML lifecycle / GenAIOps infrastructure / GenAI quality & observability / GenAI optimization)
- 5 study modes (sequential / shuffle / weak-spot / favorites / review)
- iCloud sync across devices
■ What is AI-300?
An Associate certification on MLOps/GenAIOps with Azure Machine Learning and Microsoft Foundry — training, deployment and monitoring of models through evaluation and optimization of generative AI. The successor to DP-100 (retired June 2026).
■ Pricing (one-time, no subscription)
- First section + one mock are free to try.
- ¥1,480 one-time unlocks all 500 questions and the mock exam. No monthly fees.
■ Requirements
iPhone / iPad. Works fully offline.
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What's New in AI
1.2.3
July 5, 2026
Updated our support and official website information. No changes to app functionality.
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$14.99
AI-300 Unlock All Features
Unlock all 500 questions, mock exams, stats.





