Welcome to Notezio

Notezio is a free learning site with short, easy-to-revise study notes for cloud certification exams and quick-reference cheat sheets for developers. Our goal is simple: help you understand the key concepts and review them quickly before an exam or a busy workday.

What You’ll Find Here

• AWS Certified AI Practitioner (AIF-C01) Study Notes: section-by-section notes covering AI and ML fundamentals, generative AI, Amazon SageMaker, AWS managed AI services, responsible AI and security, plus a study guide and glossary.
• Practice Tests: multiple-choice practice exams with answers and explanations so you can check your understanding and find weak areas.
• Developer Cheat Sheets: quick references for Git, Linux, Markdown and more.

More certification notes are planned and will be added over time.

Our Mission

• 📘 Deliver clear, concise and practical knowledge
• 🚀 Help learners revise faster with focused notes and quick references
• 🌍 Keep learning resources free and open to everyone

Who Is Behind Notezio

Notezio is created and maintained by Nirav Kanani, a Senior Software Engineer who writes these notes while studying for certifications and shares them so others can learn too. You can also find Nirav’s AWS Cloud Practitioner (CLF-C02) Study Notes.

The source of many notes is public on GitHub, and corrections and improvements are always welcome.

Independent and Unofficial

Notezio is an independent project. It is not affiliated with, endorsed by or sponsored by Amazon Web Services (AWS), Microsoft, Google or any other certification provider. See our Disclaimer for details.

Supporting Notezio

Notezio is free to use and is supported by advertising and by readers. If the notes have helped you, you can support the project by buying a coffee on Ko-fi or purchasing the downloadable PDF study notes.

Get in Touch

Have a suggestion, found a mistake or want to collaborate? We’d love to hear from you through our Contact page.